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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. import java.time.* ;
  8.  
  9. /* Name of the class has to be "Main" only if the class is public. */
  10. class Ideone
  11. {
  12. public static void main (String[] args) throws java.lang.Exception
  13. {
  14. ZoneId zTokyo = ZoneId.of( "Asia/Tokyo" ) ; // Date varies around the globe by time zone.
  15. LocalDate todayTokyo = LocalDate.now( zTokyo ) ; // Capture the current date as seen in a particular time zone.
  16. ZonedDateTime firstMomentOfDateInTokyo = todayTokyo.atStartOfDay( zTokyo ) ; // Determine the first moment of that date in that zone.
  17. Instant firstMomentOfDateInTokyoAsSeenInUtc = firstMomentOfDateInTokyo.toInstant() ;
  18.  
  19. System.out.println( todayTokyo.toString() ) ;
  20. System.out.println( firstMomentOfDateInTokyo.toString() ) ;
  21. System.out.println( firstMomentOfDateInTokyoAsSeenInUtc.toString() ) ;
  22. }
  23. }
Success #stdin #stdout 0.13s 41900KB
stdin
Standard input is empty
stdout
2022-05-24
2022-05-24T00:00+09:00[Asia/Tokyo]
2022-05-23T15:00:00Z