Java ZonedDateTime.ofInstant() Method with Examples
Tags: Java ZonedDateTime Java 8
In this Java core tutorial we learn how to use the java.time.ZonedDateTime.ofInstant() method to convert an Instant object or a LocalDateTime object to ZonedDateTime object.
Table of contents
Convert Instant to ZonedDateTime in Java
In the following Java program we show how to use the ZonedDateTime.ofInstant(Instant instant, ZoneId zone) method to convert an Instant object to ZonedDateTime object.
ZonedDateTimeOfInstantExample1.java
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
public class ZonedDateTimeOfInstantExample1 {
public static void main(String... args) {
Instant instant = Instant.now();
ZoneId zoneId = ZoneId.of("Australia/Sydney");
ZonedDateTime zonedDateTime = ZonedDateTime.ofInstant(instant, zoneId);
System.out.println("Instant: " + instant);
System.out.println("ZoneId: " + zoneId);
System.out.println("ZonedDateTime: " + zonedDateTime);
}
}
Instant: 2022-04-26T14:54:34.356801900Z
ZoneId: Australia/Sydney
ZonedDateTime: 2022-04-27T00:54:34.356801900+10:00[Australia/Sydney]
Convert LocalDateTime to ZonedDateTime in Java
In the following Java program we show how to use the ZonedDateTime.ofInstant(LocalDateTime localDateTime, ZoneOffset offset, ZoneId zone) method to convert a LocalDateTime object to ZonedDateTime object.
ZonedDateTimeOfInstantExample2.java
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
public class ZonedDateTimeOfInstantExample2 {
public static void main(String... args) {
LocalDateTime localDateTime = LocalDateTime.now();
ZoneOffset zoneOffset = ZoneOffset.ofHours(7);
ZoneId zoneId = ZoneId.of("Europe/Paris");
ZonedDateTime zonedDateTime = ZonedDateTime.ofInstant(localDateTime, zoneOffset, zoneId);
System.out.println("LocalDateTime: " + localDateTime);
System.out.println("ZoneOffset: " + zoneOffset);
System.out.println("ZonedDateTime: " + zonedDateTime);
}
}
LocalDateTime: 2022-04-26T21:55:46.998772900
ZoneOffset: +07:00
ZonedDateTime: 2022-04-26T16:55:46.998772900+02:00[Europe/Paris]
Happy Coding 😊
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