UTC to IRST time converter
IRST is 3 hours 30 minutes ahead of UTC. When it is 9:00 AM in UTC, it is 12:30 PM in IRST.
7:09 PM in UTC, Friday, October 16, 2026
Shared working hours (9:00–18:00)
UTC to IRST conversion table
Every hour of today in UTC and the matching time in IRST. Light rows are typical working hours (9:00–18:00).
| UTC | IRST |
|---|---|
| 12:00 AM | 3:30 AM |
| 1:00 AM | 4:30 AM |
| 2:00 AM | 5:30 AM |
| 3:00 AM | 6:30 AM |
| 4:00 AM | 7:30 AM |
| 5:00 AM | 8:30 AM |
| 6:00 AM | 9:30 AM |
| 7:00 AM | 10:30 AM |
| 8:00 AM | 11:30 AM |
| 9:00 AM | 12:30 PM |
| 10:00 AM | 1:30 PM |
| 11:00 AM | 2:30 PM |
| 12:00 PM | 3:30 PM |
| 1:00 PM | 4:30 PM |
| 2:00 PM | 5:30 PM |
| 3:00 PM | 6:30 PM |
| 4:00 PM | 7:30 PM |
| 5:00 PM | 8:30 PM |
| 6:00 PM | 9:30 PM |
| 7:00 PM | 10:30 PM |
| 8:00 PM | 11:30 PM |
| 9:00 PM | 12:30 AM+1 day |
| 10:00 PM | 1:30 AM+1 day |
| 11:00 PM | 2:30 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 2:30 PM in UTC (12:30 PM – 6:00 PM in IRST).
Daylight saving time and the difference
The difference stays 3 hours 30 minutes all year.
More conversions
Questions and answers
What is the time difference between UTC and IRST?
IRST is 3 hours 30 minutes ahead of UTC.
What time is it in IRST when it is 9 AM in UTC?
When it is 9:00 AM in UTC, it is 12:30 PM in IRST.
When is the best time to call IRST from UTC?
Both sides are at work from 9:00 AM – 2:30 PM in UTC (12:30 PM – 6:00 PM in IRST).
Does the time difference between UTC and IRST change?
No. The difference stays 3 hours 30 minutes all year.