Java tutorial
import java.time.Instant; import java.time.LocalDateTime; import java.time.ZoneId; import java.time.ZoneOffset; public class Main { public static void main(String[] args) { Instant instant = Instant.now(); LocalDateTime dateTimeFromInstant = LocalDateTime.ofInstant(instant, ZoneId.of("America/Los_Angeles")); Instant instantFromDateTime = LocalDateTime.now().toInstant(ZoneOffset.ofHours(-2)); System.out.println(dateTimeFromInstant); System.out.println(instantFromDateTime); } }