Java tutorial
import java.time.LocalTime; import java.time.ZoneId; import java.time.temporal.ChronoUnit; public class Main { public static void main(String... args) { ZoneId zone1 = ZoneId.of("Europe/Berlin"); ZoneId zone2 = ZoneId.of("Brazil/East"); LocalTime now1 = LocalTime.now(zone1); LocalTime now2 = LocalTime.now(zone2); System.out.println(now1); System.out.println(now2); long hoursBetween = ChronoUnit.HOURS.between(now1, now2); long minutesBetween = ChronoUnit.MINUTES.between(now1, now2); System.out.println(hoursBetween); System.out.println(minutesBetween); } }