import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
 
class Main {
    public static void main(String args[]) {
        Instant instant = Instant.parse("2017-03-31T10:38:14.4723017Z");
        System.out.println(instant);
 
        ZonedDateTime zdt = instant.atZone(ZoneId.of("Asia/Kolkata"));
        System.out.println(zdt);
 
        // Representation in a custom format
        System.out.println(zdt.format(
                DateTimeFormatter.ofPattern("M/d/uu h:mm a VV", Locale.ENGLISH)
        ));
    }
}

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