import java.time.Instant;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
 
public class Main {
	public static void main(String args[]) {
		DateTimeFormatter dtf = DateTimeFormatter.ofPattern("uuuu-MM-dd HH:mm:ssXXX", Locale.ENGLISH);
 
		Instant now = Instant.now();
 
		System.out.println(now.atZone(ZoneOffset.UTC).format(dtf));
		System.out.println(now.atZone(ZoneId.of("Asia/Kolkata")).format(dtf));
		System.out.println(now.atZone(ZoneId.of("Europe/Paris")).format(dtf));
		System.out.println(now.atZone(ZoneId.of("Europe/London")).format(dtf));
	}
}

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