Java Convert Timestamp to ZonedDateTime

Tags: Java Timestamp Java ZonedDateTime Java 8

In this Java core tutorial we learn how to convert a java.sql.Timestamp object to a java.time.ZonedDateTime object in Java programming language.

How to convert Timestamp to ZonedDateTime in Java

In Java, with a given Timestamp object we can follow these step to convert it to a ZonedDateTime object.

  • Step 1: use the Timestamp.toLocalDateTime() method to convert the Timestamp object to a LocalDateTime object.
  • Step 1: use the LocalDateTime.atZone(ZoneId zone) method to convert the LocalDateTime object of step 1 to a ZonedDateTime object with system default time zone.

ConvertTimestampToZonedDateTimeExample1.java 

import java.sql.Timestamp;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;

public class ConvertTimestampToZonedDateTimeExample1 {
    public static void main(String... args) {
        Timestamp timestamp = new Timestamp(System.currentTimeMillis());

        // Convert Timestamp object to ZonedDateTime object
        LocalDateTime localDateTime = timestamp.toLocalDateTime();
        ZonedDateTime zonedDateTime = localDateTime.atZone(ZoneId.systemDefault());

        System.out.println("Timestamp: " + timestamp);
        System.out.println("ZonedDateTime: " + zonedDateTime);
    }
}
The output as below. 
Timestamp: 2022-05-24 13:23:05.939
ZonedDateTime: 2022-05-24T13:23:05.939+07:00[Asia/Bangkok]

Happy Coding 😊

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