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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. import java.time.format.* ;
  9. import java.time.temporal.* ;
  10. import java.time.chrono.* ;
  11. import java.time.zone.* ;
  12.  
  13. /* Name of the class has to be "Main" only if the class is public. */
  14. class Ideone
  15. {
  16. public static void main (String[] args) throws java.lang.Exception
  17. {
  18. LocalDate localDate = LocalDate.of( 2021 , Month.JANUARY , 24 ) ;
  19.  
  20. ZoneId zoneTokyo = ZoneId.of( "Asia/Tokyo" ) ;
  21. ZonedDateTime startOfDayTokyo = localDate.atStartOfDay( zoneTokyo ) ; // Determine a specific moment.
  22.  
  23. Instant instant = startOfDayTokyo.toInstant() ;
  24.  
  25. ZonedDateTime zdtToledo = instant.atZone( ZoneId.of( "America/New_York" ) ) ;
  26.  
  27. System.out.println( "localDate.toString(): " + localDate ) ;
  28. System.out.println( "startOfDayTokyo.toString(): " + startOfDayTokyo ) ;
  29. System.out.println( "instant.toString(): " + instant ) ;
  30. System.out.println( "zdtToledo.toString(): " + zdtToledo ) ;
  31. }
  32. }
Success #stdin #stdout 0.14s 38404KB
stdin
Standard input is empty
stdout
localDate.toString(): 2021-01-24
startOfDayTokyo.toString(): 2021-01-24T00:00+09:00[Asia/Tokyo]
instant.toString(): 2021-01-23T15:00:00Z
zdtToledo.toString(): 2021-01-23T10:00-05:00[America/New_York]