Time in IRST and CIST
The time difference between Iran Standard Time (IRST) and Clipperton Island Standard Time (CIST) is 11 hours 30 minutes. Clipperton Island Standard Time is 11 hours 30 minutes behind Iran Standard Time.
This means 9am IRST is 9:30pm CIST (previous day) and 5pm IRST is 5:30am CIST.
Iran Standard Time
- The current local time in IRST is 2:14 am (July 19, 2026)
- IRST time zone offset is UTC+03:30
Clipperton Island Standard Time
- The current local time in CIST is 6:44 am (July 19, 2026)
- CIST time zone offset is UTC-08:00
How to convert Iran Standard Time to Clipperton Island Standard Time?
Subtract 11 hours 30 minutes from Iran Standard Time to get Clipperton Island Standard Time.
Time in IRST
00:00
Time in CIST
00:00
Use the slider above to convert Iran Standard Time to Clipperton Island 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
| IRST | CIST |
|---|---|
| 12am | 12:30pm |
| 1am | 1:30pm |
| 2am | 2:30pm |
| 3am | 3:30pm |
| 4am | 4:30pm |
| 5am | 5:30pm |
| 6am | 6:30pm |
| 7am | 7:30pm |
| 8am | 8:30pm |
| 9am | 9:30pm |
| 10am | 10:30pm |
| 11am | 11:30pm |
| 12pm | 0:30am |
| 1pm | 1:30am |
| 2pm | 2:30am |
| 3pm | 3:30am |
| 4pm | 4:30am |
| 5pm | 5:30am |
| 6pm | 6:30am |
| 7pm | 7:30am |
| 8pm | 8:30am |
| 9pm | 9:30am |
| 10pm | 10:30am |
| 11pm | 11:30am |