Time in EST and CHAST
The time difference between Eastern Standard Time (EST) and Chatham Standard Time (CHAST) is 17 hours 45 minutes. Chatham Standard Time is 17 hours 45 minutes ahead of Eastern Standard Time.
This means 9am EST is 2:45am CHAST (next day) and 5pm EST is 10:45am CHAST (next day).
Eastern Standard Time
- The current local time in EST is 7:51 pm (July 3, 2026)
- EST time zone offset is UTC-05:00
Chatham Standard Time
- The current local time in CHAST is 3:36 am (July 4, 2026)
- CHAST time zone offset is UTC+12:45
How to convert Eastern Standard Time to Chatham Standard Time?
Add 17 hours 45 minutes to Eastern Standard Time to get Chatham Standard Time.
Time in EST
00:00
Time in CHAST
00:00
Use the slider above to convert Eastern 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
| EST | CHAST |
|---|---|
| 12am | 5:45pm |
| 1am | 6:45pm |
| 2am | 7:45pm |
| 3am | 8:45pm |
| 4am | 9:45pm |
| 5am | 10:45pm |
| 6am | 11:45pm |
| 7am | 0:45am |
| 8am | 1:45am |
| 9am | 2:45am |
| 10am | 3:45am |
| 11am | 4:45am |
| 12pm | 5:45am |
| 1pm | 6:45am |
| 2pm | 7:45am |
| 3pm | 8:45am |
| 4pm | 9:45am |
| 5pm | 10:45am |
| 6pm | 11:45am |
| 7pm | 12:45pm |
| 8pm | 1:45pm |
| 9pm | 2:45pm |
| 10pm | 3:45pm |
| 11pm | 4:45pm |