WSDT to CHADT Converter
WSDT is not used on this date
This converter uses WST (GMT +13), the offset Apia uses on this date. Open the WST converter.CHADT is not used on July 31, 2026
This converter uses CHAST for Chatham Island.
Quick answers
Depending on seasonal clock changes, WST is 15 minutes ahead of CHAST or WST is 45 minutes behind CHADT.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in WST correspond to 8:45 am to 4:45 pm in CHAST or working hours of 9:00 am to 5:00 pm in WST correspond to 9:45 am to 5:45 pm in CHADT.
Compare WSDT time with CHADT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
West Samoa Time is 0 hours and 15 minutes ahead of Chatham Island Standard Time
12:00 am00:00 in WST is 11:45 pm23:45 in CHAST
WST to CHAST call time
Best time for a conference call or a meeting is between 9:15am-5pm in WST which corresponds to 9am-4:45pm in CHAST
12:00 am00:00 West Samoa Time (WST). Offset UTC +13:00 hours
11:45 pm23:45 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
12:00 am00:00 WST / 11:45 pm23:45 CHAST
| WST | CHAST |
|---|---|
| 12am (midnight) | 11:45 pm |
| 1am | 12:45 am |
| 2am | 1:45 am |
| 3am | 2:45 am |
| 4am | 3:45 am |
| 5am | 4:45 am |
| 6am | 5:45 am |
| 7am | 6:45 am |
| 8am | 7:45 am |
| 9am | 8:45 am |
| 10am | 9:45 am |
| 11am | 10:45 am |
| 12pm (noon) | 11:45 am |
| 1pm | 12:45 pm |
| 2pm | 1:45 pm |
| 3pm | 2:45 pm |
| 4pm | 3:45 pm |
| 5pm | 4:45 pm |
| 6pm | 5:45 pm |
| 7pm | 6:45 pm |
| 8pm | 7:45 pm |
| 9pm | 8:45 pm |
| 10pm | 9:45 pm |
| 11pm | 10:45 pm |
| 00:00 | 23:45 |
| 01:00 | 00:45 |
| 02:00 | 01:45 |
| 03:00 | 02:45 |
| 04:00 | 03:45 |
| 05:00 | 04:45 |
| 06:00 | 05:45 |
| 07:00 | 06:45 |
| 08:00 | 07:45 |
| 09:00 | 08:45 |
| 10:00 | 09:45 |
| 11:00 | 10:45 |
| 12:00 | 11:45 |
| 13:00 | 12:45 |
| 14:00 | 13:45 |
| 15:00 | 14:45 |
| 16:00 | 15:45 |
| 17:00 | 16:45 |
| 18:00 | 17:45 |
| 19:00 | 18:45 |
| 20:00 | 19:45 |
| 21:00 | 20:45 |
| 22:00 | 21:45 |
| 23:00 | 22:45 |
West Samoa Daylight Time
Offset: WSDT is 14 hours ahead Greenwich Mean Time (GMT) and is used in Pacific
WSDT representations, usage and related time zones
- +14 - basic short
- +1400 - basic
- +14:00 - extended
- +1400 - sign character (+) followed by a four digit time providing hours (14) and minutes (00) of the offset. Indicates an offset of fourteen hours to the east of the zero meridian.
- LINT - Line Islands Time
- WSDT - West Samoa Daylight Time
Chatham Island Daylight Time
Offset: CHADT is 13 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific
Daylight Saving: Chatham Island Daylight Time (CHADT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Chatham Island Standard Time (CHAST).
End: Chatham Island Daylight Time (CHADT) ended on Sunday, April 5, 2026 at 3:45 am local time and clocks were set one hour back to Sunday, April 5, 2026, 2:45 am local standard time instead. Daylight saving ends annually on the first Sunday of April
Start: Chatham Island Daylight Time (CHADT) starts on Sunday, September 27, 2026 at 2:45 am local time and clocks are set one hour forward to Sunday, September 27, 2026, 3:45 am. Daylight saving starts annually on the last Sunday of September
CHADT representations, usage and related time zones
- +1345 - basic
- +13:45 - extended
- +1345 - sign character (+) followed by a four digit time providing hours (13) and minutes (45) of the offset. Indicates an offset of thirteen hours and forty-five minutes to the east of the zero meridian.