Timestamp Conversion and Comparison

timestamps.java

import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.time.OffsetDateTime;
import java.time.ZonedDateTime;
import java.util.Date;

class Main {  
  public static void main(String args[]) { 
    String documentDateTime = "2022-02-02T12:00:00+04:00";
    String createDateTime = "2022-02-02T08:15:00.000Z";

    DateTimeFormatter formatter = DateTimeFormatter.ofPattern("YYYY-MM-dd HH:mm:ss Z");
    
    ZonedDateTime createDateTimeZ = ZonedDateTime.parse(createDateTime) ;
    System.out.println(createDateTimeZ.format(formatter));
    System.out.println(createDateTimeZ.format(DateTimeFormatter.ISO_ZONED_DATE_TIME));

    ZonedDateTime documentDateTimeZ = ZonedDateTime.parse(documentDateTime);
    System.out.println(documentDateTimeZ.format(formatter));
    System.out.println(documentDateTimeZ.format(DateTimeFormatter.ISO_ZONED_DATE_TIME));

    long differenceInMinutes = ChronoUnit.MINUTES.between(documentDateTimeZ, createDateTimeZ);
    System.out.println(differenceInMinutes);   
 } 
}