Time in CHADT and IRST
The time difference between Chatham Daylight Time (CHADT) and Iran Standard Time (IRST) is 10 hours 15 minutes. Iran Standard Time is 10 hours 15 minutes behind Chatham Daylight Time.
This means 9am CHADT is 10:45pm IRST (previous day) and 5pm CHADT is 6:45am IRST.
Chatham Daylight Time
- The current local time in CHADT is 9:30 pm (September 2, 2026)
- CHADT time zone offset is UTC+13:45
Iran Standard Time
- The current local time in IRST is 11:15 am (September 2, 2026)
- IRST time zone offset is UTC+03:30
How to convert Chatham Daylight Time to Iran Standard Time?
Subtract 10 hours 15 minutes from Chatham Daylight Time to get Iran Standard Time.
Time in CHADT
00:00
Time in IRST
00:00
Use the slider above to convert Chatham Daylight Time to Iran 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
| CHADT | IRST |
|---|---|
| 12am | 1:45pm |
| 1am | 2:45pm |
| 2am | 3:45pm |
| 3am | 4:45pm |
| 4am | 5:45pm |
| 5am | 6:45pm |
| 6am | 7:45pm |
| 7am | 8:45pm |
| 8am | 9:45pm |
| 9am | 10:45pm |
| 10am | 11:45pm |
| 11am | 0:45am |
| 12pm | 1:45am |
| 1pm | 2:45am |
| 2pm | 3:45am |
| 3pm | 4:45am |
| 4pm | 5:45am |
| 5pm | 6:45am |
| 6pm | 7:45am |
| 7pm | 8:45am |
| 8pm | 9:45am |
| 9pm | 10:45am |
| 10pm | 11:45am |
| 11pm | 12:45pm |