Datetime conversion [_datetime_conversion]

Datetime conversion is a switch from a numeric datetime to a complex datetime and the reverse.

Datetime conversion examples [_datetime_conversion_examples]

• Convert a date from milliseconds:

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  long milliSinceEpoch = 434931330000L;
  Instant instant = Instant.ofEpochMilli(milliSinceEpoch);
  ZonedDateTime zdt = ZonedDateTime.ofInstant(instant, ZoneId.of('Z'));
  

• Convert a date to milliseconds:

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  ZonedDateTime zdt =
          ZonedDateTime.of(1983, 10, 13, 22, 15, 30, 0, ZoneId.of('Z'));
  long milliSinceEpoch = zdt.toInstant().toEpochMilli();