Time in IRST and IST
The time difference between Iran Standard Time (IRST) and Irish Standard Time (IST) is 2 hours 30 minutes. Irish Standard Time is 2 hours 30 minutes behind Iran Standard Time.
This means 9am IRST is 6:30am IST and 5pm IRST is 2:30pm IST.
Iran Standard Time
- The current local time in IRST is 2:15 am (July 19, 2026)
- IRST time zone offset is UTC+03:30
Irish Standard Time
- The current local time in IST is 11:45 pm (July 18, 2026)
- IST time zone offset is UTC+01:00
How to convert Iran Standard Time to Irish Standard Time?
Subtract 2 hours 30 minutes from Iran Standard Time to get Irish Standard Time.
Time in IRST
00:00
Time in IST
00:00
Use the slider above to convert Iran Standard Time to Irish 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 | IST |
|---|---|
| 12am | 9:30pm |
| 1am | 10:30pm |
| 2am | 11:30pm |
| 3am | 0:30am |
| 4am | 1:30am |
| 5am | 2:30am |
| 6am | 3:30am |
| 7am | 4:30am |
| 8am | 5:30am |
| 9am | 6:30am |
| 10am | 7:30am |
| 11am | 8:30am |
| 12pm | 9:30am |
| 1pm | 10:30am |
| 2pm | 11:30am |
| 3pm | 12:30pm |
| 4pm | 1:30pm |
| 5pm | 2:30pm |
| 6pm | 3:30pm |
| 7pm | 4:30pm |
| 8pm | 5:30pm |
| 9pm | 6:30pm |
| 10pm | 7:30pm |
| 11pm | 8:30pm |