Time in CHAST and GST
The time difference between Chatham Standard Time (CHAST) and Gulf Standard Time (GST) is 8 hours 45 minutes. Gulf Standard Time is 8 hours 45 minutes behind Chatham Standard Time.
This means 9am CHAST is 12:15am GST and 5pm CHAST is 8:15am GST.
Chatham Standard Time
- The current local time in CHAST is 11:37 am (June 4, 2026)
- CHAST time zone offset is UTC+12:45
Gulf Standard Time
- The current local time in GST is 2:52 am (June 4, 2026)
- GST time zone offset is UTC+04:00
How to convert Chatham Standard Time to Gulf Standard Time?
Subtract 8 hours 45 minutes from Chatham Standard Time to get Gulf Standard Time.
Time in CHAST
00:00
Time in GST
00:00
Use the slider above to convert Chatham Standard Time to Gulf 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
| CHAST | GST |
|---|---|
| 12am | 3:15pm |
| 1am | 4:15pm |
| 2am | 5:15pm |
| 3am | 6:15pm |
| 4am | 7:15pm |
| 5am | 8:15pm |
| 6am | 9:15pm |
| 7am | 10:15pm |
| 8am | 11:15pm |
| 9am | 0:15am |
| 10am | 1:15am |
| 11am | 2:15am |
| 12pm | 3:15am |
| 1pm | 4:15am |
| 2pm | 5:15am |
| 3pm | 6:15am |
| 4pm | 7:15am |
| 5pm | 8:15am |
| 6pm | 9:15am |
| 7pm | 10:15am |
| 8pm | 11:15am |
| 9pm | 12:15pm |
| 10pm | 1:15pm |
| 11pm | 2:15pm |