Time in CIST and AST
The time difference between Clipperton Island Standard Time (CIST) and Atlantic Standard Time (AST) is 4 hours. Atlantic Standard Time is 4 hours ahead of Clipperton Island Standard Time.
This means 9am CIST is 1pm AST and 5pm CIST is 9pm AST.
Clipperton Island Standard Time
- The current local time in CIST is 4:23 pm (September 2, 2026)
- CIST time zone offset is UTC-08:00
Atlantic Standard Time
- The current local time in AST is 12:23 pm (September 2, 2026)
- AST time zone offset is UTC-04:00
How to convert Clipperton Island Standard Time to Atlantic Standard Time?
Add 4 hours to Clipperton Island Standard Time to get Atlantic Standard Time.
Time in CIST
00:00
Time in AST
00:00
Use the slider above to convert Clipperton Island Standard Time to Atlantic 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
| CIST | AST |
|---|---|
| 12am | 4am |
| 1am | 5am |
| 2am | 6am |
| 3am | 7am |
| 4am | 8am |
| 5am | 9am |
| 6am | 10am |
| 7am | 11am |
| 8am | 12pm |
| 9am | 1pm |
| 10am | 2pm |
| 11am | 3pm |
| 12pm | 4pm |
| 1pm | 5pm |
| 2pm | 6pm |
| 3pm | 7pm |
| 4pm | 8pm |
| 5pm | 9pm |
| 6pm | 10pm |
| 7pm | 11pm |
| 8pm | 12am |
| 9pm | 1am |
| 10pm | 2am |
| 11pm | 3am |