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The java.util.date is Mon Jan 18 09:54:25 GMT+08:00 2021
java.util.Calendar.getInstance(java.util.TimeZone.getTimeZone("GMT+8:00")) is Mon Jan 18 09:54:25 GMT+08:00 2021
The java.time.LocalDateTime.Now() is 2021-01-18T09:54:25.557
The java.time.LocalDateTime.Now(java.time.ZoneId.of("GMT+8")) is 2021-01-18T09:54:25.557
The java.time.ZonedDateTime.now(java.time.ZoneId.of("GMT+8")) is 2021-01-18T09:54:25.557+08:00[GMT+08:00]