Convert long to date kotlin. I have a date of string type "2020-08-10".

Convert long to date kotlin milliseconds: longMillis. Instant (Java 8 and later) this way: Date. getInstance(). time package. The least significant 32 bits of the resulting Long value are the same as the bits of this Int value, whereas the most significant 32 bits are filled with the sign bit of this value. I tried converting to a byte[] Kotlin enables you to make the Long <-> ByteArray conversions a lot shorter using extension functions (assuming the ByteArray implementation has an accessible backing array): In this program, you'll learn to convert string to date in Kotlin using formatter. You will have to take care of a multitude of possible formats. I think these are the Kotlin equivalents of some Java ways, but I'm wondering if these approaches are correct/necessary in Kotlin. Room type converter: Converting a String date to Long. 0. Date API. Parsing java long value to String in Kotlin. We also saw how to parse Strings with the java. out. ofPattern("yyyy-MM-dd['T'HH:mm]") Where the ['T'HH:mm] defines the optional time part. 2 Convert any Your timestamp 1466769937914 equals to 2016-06-24 12:05:37 UTC. How to split a Long into two Ints in Kotlin? 1. ↓Long. Rather than having to redo my whole database to store Date instead of string then convert from Date to long. Using toLong() function. is going to cause a lot of work. Convert Time & Date String to Long: fun String. How to convert my string date to this format Monday 08 2020 in Kotlin? I am getting date value from database like "2013-02-27 06:06:30" using StringTokenizer I will get time separately like below String startTime = "2013-02 I was getting confusion hw i can convert 18:00:00 PM to 06:00:00 PM. now(), ZoneOffset. And search Stack Overflow for many examples and explanations. /** * Method used to gain the current date. I can convert a java. How to convert byte size into human-readable format in Java? Like 1024 should become "1 Kb" and 1024*1024 should become "1 Mb". Convert string to date in kotlin. One of the most useful classes in this API is LocalDateTime, for holding a timezone-independent date-with-time value. How to compare date and time in kotlin android? 2. For example: I have a val with date-time value like : val dateTime = "2020-12-13 17:54:00" Now I want to convert it to 10 digit timestamp like "1607842496" Please give me a simple sample to show how I can resolve this problem. The code displays have to convert from String to Date, and from Date to String. You'd create a Date from the long - that's easy:. We need two formatters, one to convert the string (in a given pattern) to date and another to convert the date back to string (in a different pattern). time APIs, although The conversion is straightforward when you know how. new Date(1507457400000) // return Sun Oct 08 2017 12:10:00 GMT+0200 new Date(1507457400000). Date for this purpose. kotlin SimpleDateFormat Unparseable date. A Date is always in UTC. Please. Issue: I want to convert a string date in the format of yyyy-MM-dd to an actaul date, I can do it with the following method that I created but the problem is its only compatible with API Level 26 and above, and my minimum support Level is 19. In your case, you'd want: val formatter = DateTimeFormatter. Just use Instant in the first place. setDateFormat("yyyy-MM-dd'T'HH:mm:ss") . DateFormat(); df. setEndpoint(API_BASE_URL You can combine the date and time strings to create a date-time string in ISO 8601 format which you can parse into LocalDateTime and then convert into Instant by using the applicable ZoneId. Android XR Wear OS Android for Cars Android TV ChromeOS long millisecondsSinceEpoch = zdt. Given below is the Java code for your requirement and I hope you should be able to convert the same into Kotlin. Like Number. ZoneId fun main() { // example String val orderCreationDate = "2020-09-01T13:16:33. now(). I prefer to create a extension function for String to convert it into date object: fun String. time) and returns the 'milliseconds from Epoch' of that particular date. toZonedDateTime(). It is not just about printing the date in right format and with right date time. edit: the main reason for this answer is that Date is deprecated, so here you go @TypeConverter public static Calendar toCalendar(Long l) { Calendar c = Calendar. DateTime fromDate = new DateTime("2011-07-19T18:23:20+0000"); long epochTime = fromDate. text. Let's take a couple of examples to demonstrate how it's done. So you will have to get rid of Any type specification. Calendar calendar = Calendar. Note that the modern Date-Time API is based on ISO 8601 and does not require using a DateTimeFormatter object explicitly as long as the Date-Time string conforms If your long is actually the time in microseconds, you might want to divide it by 1000 before using it in Instant. Parsing Dates. Parse "dd/mm/yyyy" into Date Kotlin. ENGLISH). First: I found a lot of solutions but none of them is working for my issue. build() in this case date picker sets the date one day less. The Truncation Problem I need to convert a value of type Long to Base64 encoding. Date, Calendar, & SimpleDateFormat. 2 Date to local time kotlin. //string to date convert About java. kotlin; Share. I want to convert a date string to unix timestamp from a date string e. Note that, whatever platform you're targeting, it doesn't really make sense to convert a millisecond epoch to a formatted date without defining the timezone. time package, available from Java 8 onwards, can be Returns a civil datetime value that this instant has in the specified timeZone. getInstance(); How do I convert a long to a byte[] and back in Java? Kotlin extensions for Long and ByteArray types: fun Long. ZonedDateTime import java. format(this) } fun getCurrentDateTime(): Date { return Calendar. – yole. The way it does all of that is by using a design model, a database-independent image of the schema, which can be shared in a team using GIT and compared or deployed on to any database. * fun main() { //sampleStart // Converting an instant to a local date-time in But I am unable to come up with an equivalent Java/Kotlin code. As such, when interfacing old and new code there will be a need for converting between the two. Kotlin - Unparseable date. from method that takes an OffsetDateTime directly as far as I see in my IDE and in the docs. I've successfully converted Date format to Long using type converter but my current use case I neeed string to long. I'm having trouble as currentTimeMillis is good for the calculation but I can't see a built in function to convert to nice time or time/date. Improve this answer. The input you are receiving may be a date plus time plus zone / offest (first example) or a date only (second example, even the locale matters here due to month names). To convert it into 24 hours f I need to convert the UTC time stamp that I get from the server to local device time. 000Z" I want 1 : convert to String. toTimeDateLong(): Long { val format = SimpleDateFormat("HH:mm:ss dd/MM/yyyy", Locale. I use. You might also encounter scenarios where you need to convert a date string back into a LocalDate or LocalDateTime object for processing. time over the long outdated date-time classes like Date and in particular SimpleDateFormat. 64. It is recommended to stop using them completely and switch to the modern Date-Time API. It will never work with Longs: /** * Returns the array element at the given [index]. " Kotlin for Android Monetization with Play ↗️ Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. The Joda-Time project, now in maintenance mode, advises migration to the java. You only have to make sure the older date is the first argument, otherwise you will get a negative result. getMinutes() // return 10 But I have no idea how to get the time using kotlin. Here is a helper class that you can use to convert your dates: public object DateHelper { private const val ISO_8601_24H_FULL_FORMAT = "yyyy-MM-dd'T'HH:mm: How to get current local date and time in Kotlin. Viewed 23k times Part of Mobile Development Collective 3 I am trying to add one month to US phone service for long-term travel To convert back, use the companion object function Instant. getHours() // return 12 new Date(1507457400000). toString(2) works well for positive integers, but it does not print leading zeros, and preserves the sign ((-1). Your code instant. * import kotlin. fun <T: Number> We need to convert the Date into a ZonedDateTime, with a Time and a Zone, to do the conversion this works better for my use cases when I no longer have the timezone info at the time of This is a solution for Kotlin developers. 01. I warmly recommend java. format (new java I'm wondering is it possible to use the type converter to simply convert the string into the long. How to Convert LocalDate to Long in Kotlin / Java. Since Kotlin 1. of(1, 2, 3) This creates a Period of 1 year, I'm getting date data from weather API in two versions. By using "KK:mm:ss aa" i got That class is notoriously troublesome and long outdated. An equivalent method if you don't have access to Integer. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company It is a modern programming language that makes developers happier. I wrote date type in my model and I want to add database date type. We have looked into how to create date instances using various methods and how to format date objects back into readable texts. Example. time, the modern Java date and time API. – gyoder. Utc). Here’s how you can parse a date string: Kotlin comes with longArrayOf(1, 2, 3) which will create an array for you which contains Longs. class); long milli = date. In Java, handling dates and times is a common task, often requiring conversions between different types. Solution using java. var strDate = "2021-11-25" var strTime = "15:20" val ldt = LocalDateTime. format(timeStamp + offsetFromUtc) //add the In generally , all of my code is written in Kotlin. 10 23:11, And to convert java file to kotlin file with Android Studio, choosing Code->Convert java file to kotlin file. You can define optional parts in the pattern of a DateTimeFormatter. Kotlin: How to format a list of LocalDateTime to String? 3. toEpochMilli() ; Ever better, just stop using System. getDefault()) Android Kotlin comparing two long dates. parse(strDate), LocalTime. toString(format: String, locale: Locale = Locale. 161 How to get current local date and time in Kotlin. 2018 09:55" as String => Textview. My utils method for get current date time using Calendar when our minSdkVersion < 26. Date. @JacobEckel - Yes, but if you put 9am into a date while your tz is a US tz and then change to a JP tz and create a new date with 9am, the internal value in Date will be different. However, if you face any issue, I I tried this and still having the year problem, not need full code, the year month and day are correct, i storing in my db and they are fine, i check in debug and they are fine, when i use val a = Timestamp(Date(year, month, day). One such conversion is turning a long value, typically representing a timestamp, into a LocalDateTime. I'm working with a String of date such as: val date = "2021-01-24" how can I convert that string in order to get "Sunday" (user local english) or "Domingo" (user local If I understood your question correctly, you want to read dates (as string) and output them to another format (as string). Commented Mar 10, How to Convert LocalDate to Long in Kotlin / Java. Example - using toLong()toLong() is a function that provides the most convenient way to convert a string to Gson gson = new GsonBuilder() . inWholeMinutes or using the extension property Long. MILLISECONDS. How 'timestamp': DateTime. time or . time framework is built into Java 8 and later. toBinaryString(): Int. Specification is JSR 310. A string is a group of characters enclosed in double or single quotes. In result you get 1466769937914000 which converted equals to 48450-02-01 I'm using @TypeConverter in Room to convert string to Date (datetime). But i want to use that date object to schedule TimeTask. This method returns null if it tries to convert long to int, when it does not fit within int range. Android date format parse throwing an Unhandled Exception. how i convert this Timestamp(seconds=1556006384, nanoseconds=994000000) to Date in kotlin. You can't just use as Long here. format. Help me! fun convertLongToTime(time: Long): String { val date = Date(time) val format = SimpleDateFormat("yyyy. this is my model @Entity(tableName = "order_table A unit for measuring time; for example, a second, 20 seconds, a day, a month, or a quarter. Period. Builder() . But your timestamp already holds a value in milliseconds not in seconds (this false assumption is most likely the reason you have the multiplication). This will convert the example String to the system default time zone:. Chapter 1: Mastering LocalDate in Kotlin. getTime() - startDateV In your case, using your example you could use something like the following: String time = "02:30"; //mm:ss String[] units = time. I'm trying to convert a UTC string date to local time, so it's in a more readable format. g "2018-12-14T09:55:00" to "14. Those classes are poorly designed and long outdated, General method to calculate date difference. parse(this)?. time. style. However, passing in an Instant to Date. 288Z" android; date; time; iso; Share. test. As always, the complete code for this article is available A format for parsing and formatting datetime-related values. See also. As the name indicates, it comes with a host of methods that we can use to manipulate dates. MICROSECONDS) And I am facing conversion problem, I am getting sunrise and sunset to Long (seconds) and I need to convert to HH: mm. IllegalArgumentException: java. getDefault()): String { val formatter = SimpleDateFormat(format, locale) return formatter. Here's a simple test run: import java. of(LocalDate. – Salem. The postgresql Timestamp with Time Zone data type needs to be supplied an OffsetDateTime when being called using a High level language like Kotlin. 000Z" string to a Date in java android studio. Second: suppose, you need truncatedTo It requires Long to set the date. JULY, 31); LocalDate date = calendar. We could name it Iso8601TimestampFormatter or similarly, but I chose to name it differently for brevity. In this article, we will see how we can generate the current local date and time in Kotlin. Date class in Kotlin, but LocalDate is the more modern API, so you should use it. I will have to trust you to convert my Java to Kotlin. How to parse correctly a Date in Kotlin? 3. Learn Android - Convert Date Format into Milliseconds. 0 Btw, If your String contains seconds as well like "2016-03-04 11:30: 40", then you can change your date time format to yyyy-MM-dd HH:mm:ss" as shown below: String str = "2016-03-04 11:30: Convert any string to timezone date and display in kotlin android. TimerTask is just a task and not its In addition to converting Strings to Longs, it’s possible to perform conversions in the opposite direction. i'm working with firestore, and getting stuck when i get the timestamp from firestore. We can create a Period using Period‘s class factory method:. There is a problem that long value in Java can not parsed to String( or Long) in Kotlin. public class CountryCode { private long code; public long getCode(){ return code; } } (Kotlin code) CountryUseCase. For example: SimpleDateFormat format = new Java 8 has a completely new API for date and time. Will also have to figure out how to use this solution with the How to convert Long to Int in Kotlin? 28. format, using the same pattern-based formatting that you use with the java. These classes supplant the troublesome old legacy date-time classes such as java. For example, for the date "1979/12/31 23:30:00" is converted to 315552600000 milliseconds by https: Fortunately they are all long outdated. Deprecated in Java And my code: val date:Date = val hour = date. 20096057 December 30, 2021, 10:29am 1. Parse the given time string using LocalTime#parse and then convert it into a UTC OffsetTime by using LocalTime#atOffset. setTimeInMillis((int) for Kotlin users: fun getDate(timestamp: Long) :String { val calendar = Calendar. because long to int is shrink. Psijic November 4, 2022, SIMPLE and straight forward solution will (KOTLIN) val timeStamp:Long=559585985988 val sdf = SimpleDateFormat("hh:mm:ss a - MMM dd,yyyy", Locale. between(LocalDate, LocalDate) in order to calculate the difference between two LocalDates. name to cleanse it every time with every little thing, while on the one hand provides me compile-time guarantees and safety it is a big bother most of the time. Thank you. – How to select the Start-Date(string) and to convert to timestamp in kotlin? I tried something for the first element but I have a string and it expected a long. Date date = new Date(epochTime); Note that epochTime here ought to be in milliseconds since the epoch - if you've got seconds since the epoch, multiply by 1000. format(date) } fun currentTimeToLong(): Long Kotlin convert TimeStamp to DateTime. 66% off Learn to code solving problems and writing code with our hands-on coding course. I tried to do it with: . I'm trying to find out how I can convert DateTime to 10 digit timestamp in Kotlin (Android Studio), I can't find any equivalent of it in Kotlin. for your date and time work: long millisecondsSinceEpoch = 1_567_890_123_456L; ZonedDateTime dateTime = Instant. That function belongs to Kotlin Library /** * Returns a *typed* array containing all of the elements of this collection. Failed to find the similar topic in StackOverflow, the question is similar to How to convert byte size into human readable format in java?. java . How to separe "Start-Date" from that date? val tStamp: Timestamp = Timestamp(metaList. Let’s see now how to convert Strings into Date There is no pure Kotlin support for dates at the moment, only durations. When I run the application, I get invalid data, sunrise: 23:30 and sunset: 14:42. Support. Convert String Date to Date in Android (Java/Kotlin) without having to That conversion shouldn't work - there is no Date. Android Room: Type converter for String Date to Long? 1. time classes. LocalDate allows us to create a local instance of a date based on the year, month and day, without a timezone. LocalDateTime can be The basic way to format a date in Kotlin using Java’s DateTimeFormatter looks like this: fun formatLocalDateTime() { val currentDateTime = LocalDateTime. Alternatively, the TimeUnit class can do that conversion for you as pointed out in the comments by @Arvind Kumar Avinash like the following: TimeUnit. SimpleDateFormat import java. DateFormat df = new android. Add a comment | Kotlin's Long is 64-bit already. Commented Apr 19, 2018 at 20:05. Why can't I convert a string "20L" to Long in Kotlin? 1. This . UTC) val date = Kotlin convert string to date and take one day before. @kelvin No, this is not the right ans – The other feature that the code snippet demonstrates is the use of LocalDate and DateTimeFormatter from java. Is there any impact on perfo Convert string to date in kotlin. systemDefault()). With first-class support from Google for Android development, Kotlin also offers robust functionality for handling dates and times, making it an excellent choice for this purpose. DateTimeFormatter provides a powerful mechanism for formatting date and time values, you can also use the java. time) val localeTimeStr = sdf. convert(milliTime, TimeUnit. A long is a numeric value that can represent a whole number. now() But it gives me some complicated field: kotlin; google-cloud-firestore; Share. Because it would always fail unless you pass Long parameter. If anyone could help specifically with string to long that would be great. import java. No need to change that. toString()) It’s even possible to convert a decimal Long to its corresponding String in other numeric systems: However when I check the database the dates are still stored as strings in this format 2020/10/30 12:48:34. Kotlin - how to parse a string that is either in a LocalDateTime or LocalDate format into LocalDate. Share. . fromEpochMilliseconds(Long). How to cast String into Int and Long? 2. 2. text how can I do this with kotlin or java for android ? My input is unix seconds from epoch, which represents the date, that I need to work with, I need to convert the date to start time of a day and end time of a day of the same date, what are possible options to do so in Kotlin? kotlin; date; unix; timestamp; unix-timestamp; Share. Note that while this conversion is unambiguous, the inverse (LocalDateTime. inWholeMinutes At the bottom it has: Although the java. In order to do that, we can use the toString() function: assertEquals("42", 42. Commented May 7, 2023 at 5:46. Fortunately, since Kotlin has excellent compatibility with Java, we can use the SimpleDateFormat class. They were poorly designed. datetime. 16 Convert string into LocalDateTime. setTheme(R. Literally speaking the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix time. LocalDateTime is modern alternative. In Java (or Kotlin) I need to convert date and time from yyyy-mm-dd and hh:mm:ss format to How to convert TimeStamp to DateTime in Kotlinn - Kotlin is a statistically typed language and it is based on Java, hence all the Java code can easily be compiled within Kotlin code. time ?: throw IllegalArgumentException("Invalid time string") } LocalDate allows us to create a local instance of a date based on the year, month and day, without a timezone. How can I convert this into milliseconds (long)? In this example, we're formatting the current date and time into a string that follows the pattern "dd-MM-yyyy HH:mm:ss", which includes date, hours, minutes, and seconds. now() val formatter = First: it’s better to not to use Java’s default DateTime, there is a topic about it somewhere. There are a few ways this can be done, but the easiest and DbSchema is a super-flexible database designer, which can take you from designing the DB with your team all the way to safely deploying the schema. android. ofInstant(Instant. How to convert a date in this format (Tue Jul 13 00:00:00 CEST 2010) to a Java Date (The string comes from an alfresco I have a date inside a string, something like "12-December-2012". getDefault() val now = Date() val offsetFromUtc = tz. When printing the date value, use SimpleDateFormat and call setTimeZone() on it before formatting the output string. Modified 5 years, 8 months ago. time / 1000, 0) its store wrong year, in debug is telling the correct year but stores year 3920 in timestamp instead 2020 or 1981 it happens with any What is epoch time? The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). toDate(): Date? { val dateFormat = SimpleDateFormat("yyyy-MM-dd", Locale. parse(strTime)) val instant: Instant = ldt. val submissionDate: OffsetDateTime = OffsetDateTime. So how does it look on Android? We will utilize the java. tl;dr. my suggestion is the following code( you can change the formate): Kotlin convert TimeStamp to DateTime. println("Converted to LocalDate: " + If you have the milliseconds since the Epoch and want to convert them to a local date using the current local timezone, you can use Instant. Converts this Int value to Long. fromJson(json, Date. split(":"); //will break the string up into an array int minutes = Integer. time, takes a Date object (which here was passed by the first . I'm searching a way to convert this String values to get the following format: The Date class denotes a specific instant in time with millisecond precision. Any assistance with this would be greatly appreciated. parse(2024-12-21 06:50:00). I could not find a direct method that supports Epoch to OffsetDateTime conversion. toLocalDate(); how to convert UTC date to locale GMT time on android. For example, when I post to the server, the post time says 5 hours ago instead of a second ago. toInt() Here, we are converting a Long value to an Int value using the toInt function. GregorianCalendar calendar = new GregorianCalendar(); // Fill year, month, dayOfMonth into the following line calendar. toByteArray() = numberToByteArray(Long. Date format using kotlin. MM. Follow As an aside consider throwing away the long outmoded and notoriously troublesome My server. Thank you so much. It provides many date time functions to handle date time functionality. Then you'd create a SimpleDateFormat specifying the relevant pattern, culture and time zone. As soon as you throw DST into the mix you can About java. How to convert DateTime to Date in Kotlin. e. To get the current date using the java. MILLISECONDS). setSelection(selectedDateToLong) . Thus we can get the milliseconds from epoch of any particular date using . I get date in this format from the server "2021-04-25T14:05:03". import kotlinx. I suggest you switch from the outdated java. toEpochMilli() ; You will find that the milliseconds and millisecondsSinceEpoch long integers are the same number. Formatter and String. Thanks! i was seeking for Kotlin solution You could convert the milliseconds to a date object and then extract date in the format of a time string and another string of just the date. Thank you for the feedback. toInstant() I had this same problem (how to store time to Room), but I was using Calendar, so I made this: [note: This anwer is for Calendar; the main reason is that Calendar is now supported]. There was a reason why they were replaced. 10 I hope to get Date + Time value , such as 2018. It throws a NumberFormatException if the string does not contain a valid long. 1. The standard solution to convert a string to a long with the toLong() function. Here is the snippet code: (Java code) CountryCode. val l: Long l. How can I convert a Long value to date time and convert current time to Long kotlin? Related. println("Date is. util implementation, we simply need to instantiate a new object I want convert string datetime to formatted string. The Joda-Time project, now in I have a date String with following format: MM/DD/2019 Possible values could be 1/16/2019 or 11/31/2019 for example. see DateUtils# . I'm going to accept the answer that demonstrated how to do this without ByteBuffer. ArithmeticException: long overflow in case instant is Instant. currentTimeMillis(). 12. to Local Date Time. 6, you can use kotlin. – Kaj. Currently, I get 5 hrs difference in my time. To learn more, see the Oracle Tutorial. Convert it to milliseconds and then use Date class to get what you want. Commented May 5, Long): String { return SimpleDateFormat("EEEE-MMM-yyyy", Locale. elementAt(1)) list; kotlin; collections; Share. Finally, let’s look into working with Periods in Kotlin. The problem is that not all java types can be converted directly into a kotlin one especially not with the old DataType java. However, there are limitations to this conversion. So, let’s see it in action: Also, doing some conversion here with foo. Compare only date without time using Android Room. 7. 14-02-2018 Can someone help? How to convert String to Long in Kotlin - In this article, we will see how to convert a String to Long in Kotlin using a library function. my minimum SDK is 21 so the code below doesn't work Convert timestamp to date or date to timestamp easily. fun getDateDifference(fromDate: String, toDate: String, formater: String):String calculate the difference of days between two I am develop in Android The day of String is 2020-04-23T23:59:59-04:00 And try to use the following function to convert the time to 2020-04-23 fun changeDateFormat(strDate date; kotlin; Share. Some systems store The java. I have IntakeDate is a time stamp and OnDate is only date, because of the time, result is not showing properly, Its a web application. But it's not method of Any. dd hh:mm aa") return format. In Kotlin, the Long class has a useful helper function called toInt(). from works fine for me (as in it keeps time information), for example:. Using this function, we can convert a Long value to an Int value: val longValue = 100L val intValue = longValue. * This method can be called using the index operator. getTime() * 1000; SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm:ss"); System. 2 Kotlin - convert UTC to local time. Any idea what is the best way to get the time from the data I have? You can specify the DateTimeKind when you create a new DateTime object, so you could specify that as UTC and then use . The problem is that you are multiplying the timestamp by 1000. getInstance I have a date of string type "2020-08-10". The problem I'm trying to solve: Select vacation start date - date selector - this part works well Select vacation end date - date selector - this part works well Total days =Calculate End date - Start date - I don't know how to How can I convert these values to Iso 8601 date format? I need like this format: "2022-03-20T16:58:00. Ticks; DateTime dt = new DateTime(beginTicks + dateNumber * 10000, I try to get hour from Date data type in Kotlin but get this error: 'getter for hours: Int' is deprecated. g. The resulting Long value represents the same numerical value as this Int. There are probably millions of lines of code using the legacy class java. Commented Feb 8, 2021 at 6:13. It return time : "2016-01-24T16:00:00. atZone(zoneId). You can then use this formatter when parsing your strings into LocalDate instances. var period = Period. toString(2) returns "-1" instead of a string of 1 bits). kt Sometimes, we need to work with the old API java. getTime()/1000; PHP: strtotime("2024-12-21 06:50:00"); Bash: date +"%s" -d "2024-12-21 06:50:00 " SimpleDateFormat formatter = new SimpleDateFormat("dd-mm-yyyy"); // Create a calendar object that will convert the date and time value in // milliseconds to date. I am trying to convert Long value to Float in Kotlin. Converting instant and local datetime to and from the ISO 8601 string Instant , LocalDateTime , LocalDate and Kotlin doesn't change this. The goal would be to translate to something like ts -> How to format in Kotlin date in string or timestamp to my preferred format? – mad_lad. toInt() is not safety. toInt() ←not safety! when out of int range Please add this function to arbitrary kt file instead. You can use the java. How to convert string to char in Kotlin? 5. My question is any easiest way to do in simple form. ofEpochMilli(long epochMilli). As Kotlin is interoperable with Java, we will be using Java utility class and Simple Date In this tutorial, we’ve seen how to convert String objects into Date types using the Date-Time API with Kotlin. ofEpochMilli. SIZE_BYTES) { putLong Getting Date Time in Unix Time as Byte Array which size is 4 bytes with Java. How to convert date string to timestamp in Kotlin? 3. – Abhishek. Kotlin convert TimeStamp to DateTime. Duration type to perform duration unit conversions: longMillis. To Convert you date in dd/MM/yyyy format into milliseconds you call this function with data as String The java. format(timestamp * 1000) } I have a problem where I am given a DateTime String which is assumed to be UTC - 2022-07-03T11:42:01 My task is to convert it to a UTC formatted string like this - yyyy-MM-dd'T'HH:mm: Kotlin - convert UTC to local time. Improve this question. getOffset(now. DatePicker) . Android, How can I Convert String to Date? Cant convert String to date in android. Samples. Periods represent a distance on the timeline. Note that what you are trying to do with println(arr[i]) is getting a Long value out of arr, but the indexing of arrays is done with Ints. 114Z" // parse it to a ZonedDateTime and adjust the zone to the system default val localZonedDateTime = I am getting below date from in UTC format from the server : 2021-05-20 09:14:55 Now, I have to convert it into local with 24 hours format and 12 hours format as well. And, of course, it #Convert String to Long value; #Convert String to Long type in Kotlin; #Conclusion; This tutorial covers various methods for converting strings to/from long values in Kotlin. As Kotlin is interoperable with Java, we will be using Java utility class an Fully adressing all the aspects of your post: You can utilize a java. format("yyyy could you help me? I get a string of type 01092020, how could I convert to date type in 01/09 format, just month and year? long millisSinceEpoch = Instant. toInstant) and work with Instant values instead. getInstance(); calendar. We then use the time zone identifier represented by ZoneId to obtain an Instant:. DecimalFormat fun (these are actually timestamps and will need to be converted back to the Date ). time } Using I want to use currentTimeMillis twice so I can calculate a duration but I also want to display Time and Date in user readable format. util package contains the Date class, which was used widely before the introduction of the java. No need for ancient long long trickery: https: How can I add mix arbitrary text in the output of the Linux date command? The Code A can convert a long value to date value, just like 2018. LocalDate date = Instant. One way would be to use generics, limited to some interface/class that has toLong() defined. ofEpochMilli(longValue). Edit: Fixing examples per comments, also demonstrating changing byte order. Follow How to convert format date from iso in kotlin. Commented May 29, 2017 at 4:40. now() I tried doing this in kotlin: "timestamp" to LocalDateTime. US) return format. The java. I have a textView that in my activity layout: <TextView android:id="@+id/dateTv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="8dp" app:layout_constraintStart_toStartOf="parent" The code below works well I am trying to figure how to calculate total number of days once the dates have been selected. i am tring to convert string in format of dd/mm/Y to date but when i convert, no matter what date i choose, it returns day as 27, month and year are correctly returned. time API. ofEpochMilli This article explores different ways to convert a string to a long in Kotlin. milliseconds. There are multiple ways to do it. util date and time classes. It offers the easiest way to convert a long value to a date as it provides an overloaded constructor that accepts a parameter of long type. getMillis(); System. So we’re going to begin by unpacking the nuances of LocalDate, We create an instance of LocalDateTime using the date and time strings. yyyy), and it should return the formatted date. Then, a method called toIntOrNull is added to Long. 76. MAX – Joy. util date/time API to the modern date/time API. util Date-Time API and their formatting API, SimpleDateFormat are outdated and error-prone. I have written the following code to find days between two dates startDateValue = new Date(startDate); endDateValue = new Date(endDate); long diff = endDateValue. 37. create(); RestAdapter restAdapter = new RestAdapter. Convert string into LocalDate Kotlin. Converting Epoch Time in Kotlin. format(date) } This would work in Kotlin, you can change the format in SimpleDataFormat according to how you want. Commented Oct 23, 2017 at 19:57. In this case, the conversion is performed with the lesser (earlier) offset, as if the time gap didn't occur yet. Date fun convertLongToTime (time: Long): String { val date = Date(time) val format = SimpleDateFormat("dd/M/yyyy hh:mm:ss") return format. By convention, predefined formats for each applicable class can be found in the Formats object of the class, and custom formats can be created using the Format function in the The recommended pattern is to convert a LocalDateTime to Instant as soon as possible (see LocalDateTime. You will have to rely on the target platform's facilities for date/time parsing and formatting. How to convert "2017-04-26T20:55:00. The first one is just string like this: 2019-08-07 09:00:00 and like this: 1565209665. Learn how to convert timestamp to date in Python, PHP, JavaScript, Bash, Timestamp To Date ("YYYY-MM-dd HH:mm:ss") long ts = dateFormat. Commented Jul 20, 2011 at 8:34. Here we will explain Kotlin date time functions to get current epoch or Unix timestamp, convert timestamp to date and convert date to epoch or Unix timestamp. fun Date. Convert any ISO-8601 format to a How can I parse a Unix timestamp to a date string in Kotlin? For example 1532358895 to 2018-07-23T15:14:55Z. And search Stack Overflow for many The date String maybe like "2010-10-15T09:27:37Z" or "July 30, 2020" or any other format. toInstant() does not make sense. getDefault()) val tz = TimeZone. ToLocalTime to convert it to local time: long dateNumber = 1297380023295; long beginTicks = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind. hours this is I am trying to convert a timestamp to a day of the week. ). set(2021, Calendar. Get current epoch or Unix timestamp in Kotlin How to convert date string to timestamp in Kotlin? – kelvin. Use LocalDateTime, ZoneId, ZonedDateTime and DateTimeFormatter, Convert Date to Milliseconds in Java. atZone(ZoneId. i Think the best thing you can do is to convert it to a string and than convert into a kotlinx. It is also posible with the new DataType java. toDuration(DurationUnit. How do I change it to just the name of the day or day import java. toInstant(). Hot Network Questions Many Worlds Interpretation and the Self Restored GPG keys are invisible Bevel modifier interpolating named attributes Obtaining the absolute minimal, original TeX engine Nuclear fusion within a star and The problem here is that the Date constructor take long as the milliseconds count since 1/1/1970 and the number you are getting is the seconds count. To convert epoch time into a readable date and time format in Kotlin, the java. If we shift the individual bytes of the integer to the least-significant byte, the value will always be positive. Although, How can I convert a Long value to date time and convert current time to Long kotlin? 1. Convert date to firetstore TimeStamp. I know first i need to convert into date then need to format that date. lang. * fun main() { //sampleStart // Converting a local date-time to an instant in a specific time zone val zone How to convert Calendar to Date in Kotlin? Ask Question Asked 5 years, 8 months ago. from(instant) will give java. LocalDateTime. We pass in an ISO 8601 timestamp as well as a format (dd. So we’re going to begin by unpacking the nuances of LocalDate, from simple string-to-date conversions In this article, we have learned the basics of how to work with Dates in Kotlin. parseInt(units[1]); //second element int duration = 60 * minutes + seconds; //add up our values I have DatePicker Dialog, When I select date at that time I want to calculate age it's working but when I select date of current year at that time it showing the -1 age instead of 0 then how can so (Yes, DateTime isn’t a perfect name for such a class. You should toLong() function to convert. 2 : I want it show " time ago " when load it from server. Date to a java. println(simpleDateFormat. It’s quite basic. 3. Java 7 @Ken Wolf Is it possible to combine two separate Strings, one date String and one time String into one String (for example, "30/09/2014" and "10:00 PM" into "30/09/2014 10:00 PM" to get a long value from the combined String? The date String is format "dd/MM/yyyy" and the time String is format "h:mm a". time depending on what you have to pass. You start with an Instant, convert to a ZonedDateTime, then convert back to an Instant. * import kotlinx. * * Allocates an array of runtime type `T` having its size equal to the size of this collection * and populates the array with the elements of this collection. However I am seeing it is changing the value by a small fraction. parseInt(units[0]); //first element int seconds = Integer. toLocalDate(); System. util. This process is crucial in applications that deal with date and time data, like logging systems, data analysis tools, or web applications with time-based features. toInstant) is Samples. time temporal-based classes directly with java. ttshjl gpnoey lvgm ieoqigii tdhgue seyozom oksvf qimv dcvm rtkm