Time in HST and CHAST
The time difference between Hawaii–Aleutian Standard Time (HST) and Chatham Standard Time (CHAST) is 22 hours 45 minutes. Chatham Standard Time is 22 hours 45 minutes ahead of Hawaii–Aleutian Standard Time.
This means 9am HST is 7:45am CHAST (next day) and 5pm HST is 3:45pm CHAST (next day).
Hawaii–Aleutian Standard Time
- The current local time in HST is 7:11 am (July 11, 2026)
- HST time zone offset is UTC-10:00
Chatham Standard Time
- The current local time in CHAST is 9:56 am (July 11, 2026)
- CHAST time zone offset is UTC+12:45
How to convert Hawaii–Aleutian Standard Time to Chatham Standard Time?
Add 22 hours 45 minutes to Hawaii–Aleutian Standard Time to get Chatham Standard Time.
Time in HST
00:00
Time in CHAST
00:00
Use the slider above to convert Hawaii–Aleutian 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
| HST | CHAST |
|---|---|
| 12am | 10:45pm |
| 1am | 11:45pm |
| 2am | 0:45am |
| 3am | 1:45am |
| 4am | 2:45am |
| 5am | 3:45am |
| 6am | 4:45am |
| 7am | 5:45am |
| 8am | 6:45am |
| 9am | 7:45am |
| 10am | 8:45am |
| 11am | 9:45am |
| 12pm | 10:45am |
| 1pm | 11:45am |
| 2pm | 12:45pm |
| 3pm | 1:45pm |
| 4pm | 2:45pm |
| 5pm | 3:45pm |
| 6pm | 4:45pm |
| 7pm | 5:45pm |
| 8pm | 6:45pm |
| 9pm | 7:45pm |
| 10pm | 8:45pm |
| 11pm | 9:45pm |