Time in GST and CHAST
The time difference between Gulf Standard Time (GST) and Chatham Standard Time (CHAST) is 8 hours 45 minutes. Chatham Standard Time is 8 hours 45 minutes ahead of Gulf Standard Time.
This means 9am GST is 5:45pm CHAST and 5pm GST is 1:45am CHAST (next day).
Gulf Standard Time
- The current local time in GST is 2:42 am (July 3, 2026)
- GST time zone offset is UTC+04:00
Chatham Standard Time
- The current local time in CHAST is 11:27 am (July 3, 2026)
- CHAST time zone offset is UTC+12:45
How to convert Gulf Standard Time to Chatham Standard Time?
Add 8 hours 45 minutes to Gulf Standard Time to get Chatham Standard Time.
Time in GST
00:00
Time in CHAST
00:00
Use the slider above to convert Gulf 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
| GST | CHAST |
|---|---|
| 12am | 8:45am |
| 1am | 9:45am |
| 2am | 10:45am |
| 3am | 11:45am |
| 4am | 12:45pm |
| 5am | 1:45pm |
| 6am | 2:45pm |
| 7am | 3:45pm |
| 8am | 4:45pm |
| 9am | 5:45pm |
| 10am | 6:45pm |
| 11am | 7:45pm |
| 12pm | 8:45pm |
| 1pm | 9:45pm |
| 2pm | 10:45pm |
| 3pm | 11:45pm |
| 4pm | 0:45am |
| 5pm | 1:45am |
| 6pm | 2:45am |
| 7pm | 3:45am |
| 8pm | 4:45am |
| 9pm | 5:45am |
| 10pm | 6:45am |
| 11pm | 7:45am |