Time in CST and IRDT
The time difference between Central Standard Time (CST) and Iran Daylight Time (IRDT) is 10 hours 30 minutes. Iran Daylight Time is 10 hours 30 minutes ahead of Central Standard Time.
This means 9am CST is 7:30pm IRDT and 5pm CST is 3:30am IRDT (next day).
Central Standard Time
- The current local time in CST is 7:23 pm (July 3, 2026)
- CST time zone offset is UTC-06:00
Iran Daylight Time
- The current local time in IRDT is 5:53 pm (July 3, 2026)
- IRDT time zone offset is UTC+04:30
How to convert Central Standard Time to Iran Daylight Time?
Add 10 hours 30 minutes to Central Standard Time to get Iran Daylight Time.
Time in CST
00:00
Time in IRDT
00:00
Use the slider above to convert Central Standard Time to Iran Daylight 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
| CST | IRDT |
|---|---|
| 12am | 10:30am |
| 1am | 11:30am |
| 2am | 12:30pm |
| 3am | 1:30pm |
| 4am | 2:30pm |
| 5am | 3:30pm |
| 6am | 4:30pm |
| 7am | 5:30pm |
| 8am | 6:30pm |
| 9am | 7:30pm |
| 10am | 8:30pm |
| 11am | 9:30pm |
| 12pm | 10:30pm |
| 1pm | 11:30pm |
| 2pm | 0:30am |
| 3pm | 1:30am |
| 4pm | 2:30am |
| 5pm | 3:30am |
| 6pm | 4:30am |
| 7pm | 5:30am |
| 8pm | 6:30am |
| 9pm | 7:30am |
| 10pm | 8:30am |
| 11pm | 9:30am |