PST/PDT to IRST time converter
IRST is 10 hours 30 minutes ahead of PST/PDT. When it is 9:00 AM in PST/PDT, it is 7:30 PM in IRST.
1:22 PM in PST/PDT, Friday, October 16, 2026
PST/PDT to IRST conversion table
Every hour of today in PST/PDT and the matching time in IRST. Light rows are typical working hours (9:00–18:00).
| PST/PDT | IRST |
|---|---|
| 12:00 AM | 10:30 AM |
| 1:00 AM | 11:30 AM |
| 2:00 AM | 12:30 PM |
| 3:00 AM | 1:30 PM |
| 4:00 AM | 2:30 PM |
| 5:00 AM | 3:30 PM |
| 6:00 AM | 4:30 PM |
| 7:00 AM | 5:30 PM |
| 8:00 AM | 6:30 PM |
| 9:00 AM | 7:30 PM |
| 10:00 AM | 8:30 PM |
| 11:00 AM | 9:30 PM |
| 12:00 PM | 10:30 PM |
| 1:00 PM | 11:30 PM |
| 2:00 PM | 12:30 AM+1 day |
| 3:00 PM | 1:30 AM+1 day |
| 4:00 PM | 2:30 AM+1 day |
| 5:00 PM | 3:30 AM+1 day |
| 6:00 PM | 4:30 AM+1 day |
| 7:00 PM | 5:30 AM+1 day |
| 8:00 PM | 6:30 AM+1 day |
| 9:00 PM | 7:30 AM+1 day |
| 10:00 PM | 8:30 AM+1 day |
| 11:00 PM | 9:30 AM+1 day |
Best time to call or meet
Working hours don't overlap fully. The closest fit is 9:00 AM – 11:30 AM in PST/PDT (7:30 PM – 10:00 PM in IRST): working hours on one side, early or late on the other.
Daylight saving time and the difference
The difference changes during the year because PST/PDT and IRST switch clocks on different dates:
- Oct 16, 2026 – Nov 1, 2026: +10h 30m
- Nov 1, 2026 – Mar 14, 2027: +11h 30m
- Mar 14, 2027 – Oct 16, 2027: +10h 30m
More conversions
Questions and answers
What is the time difference between PST/PDT and IRST?
IRST is 10 hours 30 minutes ahead of PST/PDT.
What time is it in IRST when it is 9 AM in PST/PDT?
When it is 9:00 AM in PST/PDT, it is 7:30 PM in IRST.
When is the best time to call IRST from PST/PDT?
Working hours don't overlap fully. The closest fit is 9:00 AM – 11:30 AM in PST/PDT (7:30 PM – 10:00 PM in IRST): working hours on one side, early or late on the other.
Does the time difference between PST/PDT and IRST change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.