Time in WST and CHAST
The time difference between Western Standard Time (WST) and Chatham Standard Time (CHAST) is 4 hours 45 minutes. Chatham Standard Time is 4 hours 45 minutes ahead of Western Standard Time.
This means 9am WST is 1:45pm CHAST and 5pm WST is 9:45pm CHAST.
Western Standard Time
- The current local time in WST is 11:45 am (July 1, 2026)
- WST time zone offset is UTC+08:00
Chatham Standard Time
- The current local time in CHAST is 4:30 pm (July 1, 2026)
- CHAST time zone offset is UTC+12:45
How to convert Western Standard Time to Chatham Standard Time?
Add 4 hours 45 minutes to Western Standard Time to get Chatham Standard Time.
Time in WST
00:00
Time in CHAST
00:00
Use the slider above to convert Western Standard Time to Chatham Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| WST | CHAST |
|---|---|
| 12am | 4:45am |
| 1am | 5:45am |
| 2am | 6:45am |
| 3am | 7:45am |
| 4am | 8:45am |
| 5am | 9:45am |
| 6am | 10:45am |
| 7am | 11:45am |
| 8am | 12:45pm |
| 9am | 1:45pm |
| 10am | 2:45pm |
| 11am | 3:45pm |
| 12pm | 4:45pm |
| 1pm | 5:45pm |
| 2pm | 6:45pm |
| 3pm | 7:45pm |
| 4pm | 8:45pm |
| 5pm | 9:45pm |
| 6pm | 10:45pm |
| 7pm | 11:45pm |
| 8pm | 0:45am |
| 9pm | 1:45am |
| 10pm | 2:45am |
| 11pm | 3:45am |