PST to Tehran Time Converter
IRST is 11 hours 30 minutes ahead of PST. 9:00 AM PST = 8:30 PM IRST.
IRST is 11 hours 30 minutes ahead of PST at the moment. To convert PST to Tehran Time, add 11 hours 30 minutes to the PST time: 9:00 AM PST = 8:30 PM IRST.
PST (Pacific Time) is used in Los Angeles, San Francisco, Seattle, Las Vegas, Portland, Vancouver. Tehran Time (Tehran time) is used in Tehran, Iran.
PST here means Pacific Standard Time, not Philippine Standard Time.
PST to Tehran Time time conversion table
PST to Tehran Time on 6 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| PST | Tehran Time | Day |
|---|---|---|
| 12:00 AM PST | 11:30 AM IRST | — |
| 1:00 AM PST | 12:30 PM IRST | — |
| 2:00 AM PST | 1:30 PM IRST | — |
| 3:00 AM PST | 2:30 PM IRST | — |
| 4:00 AM PST | 3:30 PM IRST | — |
| 5:00 AM PST | 4:30 PM IRST | — |
| 6:00 AM PST | 5:30 PM IRST | — |
| 7:00 AM PST | 6:30 PM IRST | — |
| 8:00 AM PST | 7:30 PM IRST | — |
| 9:00 AM PST | 8:30 PM IRST | — |
| 10:00 AM PST | 9:30 PM IRST | — |
| 11:00 AM PST | 10:30 PM IRST | night |
| 12:00 PM PST | 11:30 PM IRST | night |
| 1:00 PM PST | 12:30 AM IRST | next day |
| 2:00 PM PST | 1:30 AM IRST | next day |
| 3:00 PM PST | 2:30 AM IRST | next day |
| 4:00 PM PST | 3:30 AM IRST | next day |
| 5:00 PM PST | 4:30 AM IRST | next day |
| 6:00 PM PST | 5:30 AM IRST | next day |
| 7:00 PM PST | 6:30 AM IRST | next day |
| 8:00 PM PST | 7:30 AM IRST | next day |
| 9:00 PM PST | 8:30 AM IRST | next day |
| 10:00 PM PST | 9:30 AM IRST | next day |
| 11:00 PM PST | 10:30 AM IRST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert PST to Tehran Time
Add 11 hours 30 minutes to the PST time to get Tehran Time.
Example: 9:00 AM PST = 8:30 PM IRST.
Across midnight: 10:00 PM PST = 9:30 AM IRST (next day). The date changes, so always check the day as well as the hour.
Time difference between PST and Tehran Time
The time difference between PST and Tehran Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: Tehran Time is 11 hours 30 minutes ahead of PST.
- 8 Mar 2026 – 31 Oct 2026: Tehran Time is 10 hours 30 minutes ahead of PST.
- 1 Nov 2026 – 30 Dec 2026: Tehran Time is 11 hours 30 minutes ahead of PST.
PST and Tehran Time during daylight saving time
- PST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
- Tehran Time does not observe daylight saving time; it stays on UTC+3:30 all year.
Best time for a meeting between PST and Tehran Time
PST and Tehran Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM PST, which is 6:30 PM IRST.
PST to Tehran Time FAQ
What is the time difference between PST and Tehran Time?
Right now IRST is 11 hours 30 minutes ahead of PST. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM PST in Tehran Time?
9:00 AM PST is 8:30 PM IRST.
What is 12 PM (noon) PST in Tehran Time?
12:00 PM PST is 11:30 PM IRST.
Is Tehran Time ahead of or behind PST?
IRST is 11 hours 30 minutes ahead of PST, so it is later in Tehran Time than in PST.
Does PST change for daylight saving time?
Yes. PST next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
Does Tehran Time change for daylight saving time?
No. Tehran Time stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between PST and Tehran Time?
PST and Tehran Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM PST, which is 6:30 PM IRST.
Is PT the same as PST?
PST is the winter (standard) name of Pacific Time (PT). From March to November the same clocks are called PDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert Tehran Time to PST
Convert PST to other time zones
Convert other time zones to Tehran Time
Learn more
Updated 6 November 2026. Time zone data: IANA tz database.