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  1. import java.time.LocalDateTime;
  2. import java.time.LocalTime;
  3. import java.time.ZoneId;
  4. import java.util.Date;
  5. //ideone server have time zone GMT
  6. class DateAndTimeZoneFormatter {
  7.  
  8. public static void main(String[] args) {
  9.  
  10. LocalDateTime date = LocalDateTime.now().with(LocalTime.MIN);
  11. Date dayStart = Date.from(date.atZone(ZoneId.systemDefault()).toInstant());
  12.  
  13. System.out.println(dayStart);
  14.  
  15. }
  16.  
  17. }
Success #stdin #stdout 0.1s 54280KB
stdin
Standard input is empty
stdout
Fri Jul 09 00:00:00 GMT 2021