Time in GST and IRDT
The time difference between Gulf Standard Time (GST) and Iran Daylight Time (IRDT) is 30 minutes. Iran Daylight Time is 30 minutes ahead of Gulf Standard Time.
This means 9am GST is 9:30am IRDT and 5pm GST is 5:30pm IRDT.
Gulf Standard Time
- The current local time in GST is 9:27 am (August 17, 2026)
- GST time zone offset is UTC+04:00
Iran Daylight Time
- The current local time in IRDT is 9:57 am (August 17, 2026)
- IRDT time zone offset is UTC+04:30
How to convert Gulf Standard Time to Iran Daylight Time?
Add 30 minutes to Gulf Standard Time to get Iran Daylight Time.
Time in GST
00:00
Time in IRDT
00:00
Use the slider above to convert Gulf 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
| GST | IRDT |
|---|---|
| 12am | 0:30am |
| 1am | 1:30am |
| 2am | 2:30am |
| 3am | 3:30am |
| 4am | 4:30am |
| 5am | 5:30am |
| 6am | 6:30am |
| 7am | 7:30am |
| 8am | 8:30am |
| 9am | 9:30am |
| 10am | 10:30am |
| 11am | 11:30am |
| 12pm | 12:30pm |
| 1pm | 1:30pm |
| 2pm | 2:30pm |
| 3pm | 3:30pm |
| 4pm | 4:30pm |
| 5pm | 5:30pm |
| 6pm | 6:30pm |
| 7pm | 7:30pm |
| 8pm | 8:30pm |
| 9pm | 9:30pm |
| 10pm | 10:30pm |
| 11pm | 11:30pm |