Time difference
Los Angeles to Tehran Time Difference
Tehran is 10 hours and 30 minutes ahead of Los Angeles — when it's 12:00 PM in Los Angeles, it's 10:30 PM in Tehran. (Los Angeles (America/Los_Angeles, PDT); Tehran (Asia/Tehran, IRST).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Tehran is 10 hours and 30 minutes ahead of Los Angeles. Standard 9 AM–5 PM business hours in Los Angeles and Tehran do not overlap, so a live call needs one side outside normal hours. Clocks change on November 1, 2026, which briefly shifts the gap between Los Angeles and Tehran — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Los Angeles, it's 7:30 PM in Tehran.
- When it's 9:00 AM in Tehran, it's 10:30 PM the previous day in Los Angeles.
Tehran is currently 10 hours and 30 minutes ahead of Los Angeles.
Interactive converter
12:00PM
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Best times to meet
Standard 9 AM – 5 PM hours in Los Angeles and Tehran do not overlap. The least-bad options are an early start in one city or a late evening call in the other — for example a 7–8 AM meeting in Los Angeles, or a 6–8 PM meeting in Tehran.
Quick conversion table
| Los Angeles | Tehran |
|---|---|
| 12 AM | 10:30 AM |
| 1 AM | 11:30 AM |
| 2 AM | 12:30 PM |
| 3 AM | 1:30 PM |
| 4 AM | 2:30 PM |
| 5 AM | 3:30 PM |
| 6 AM | 4:30 PM |
| 7 AM | 5:30 PM |
| 8 AM | 6:30 PM |
| 9 AM | 7:30 PM |
| 10 AM | 8:30 PM |
| 11 AM | 9:30 PM |
| 12 PM | 10:30 PM |
| 1 PM | 11:30 PM |
| 2 PM | 12:30 AM (next day) |
| 3 PM | 1:30 AM (next day) |
| 4 PM | 2:30 AM (next day) |
| 5 PM | 3:30 AM (next day) |
| 6 PM | 4:30 AM (next day) |
| 7 PM | 5:30 AM (next day) |
| 8 PM | 6:30 AM (next day) |
| 9 PM | 7:30 AM (next day) |
| 10 PM | 8:30 AM (next day) |
| 11 PM | 9:30 AM (next day) |
Daylight saving
On November 1, 2026, Los Angeles shifts for daylight saving. After that, Tehran will be 11 hours and 30 minutes ahead of Los Angeles (currently 10 hours and 30 minutes ahead of Los Angeles). The converter and the tables above always reflect the correct offset for the date you pick.
- Los Angeles is currently observing daylight saving time.
- Tehran does not observe daylight saving time.
Frequently asked questions
- Is Tehran ahead of or behind Los Angeles?
- Tehran is 10 hours and 30 minutes ahead of Los Angeles.
- How many hours ahead of Los Angeles is Tehran?
- Tehran is 10 hours and 30 minutes ahead of Los Angeles.
- What time is 9 AM in Los Angeles in Tehran?
- 9:00 AM in Los Angeles is 7:30 PM in Tehran.
- What time is noon in Los Angeles in Tehran?
- 12:00 PM in Los Angeles is 10:30 PM in Tehran.
- What time is 5 PM in Los Angeles in Tehran?
- 5:00 PM in Los Angeles is 3:30 AM the next day in Tehran. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Los Angeles in Tehran?
- 3:00 PM in Los Angeles is 1:30 AM the next day in Tehran.
- Is Los Angeles currently observing daylight saving time?
- Los Angeles is currently observing daylight saving time (summer time).
- Is Tehran currently observing daylight saving time?
- Tehran does not observe daylight saving time — its UTC offset stays the same all year.
- Do Los Angeles and Tehran observe daylight saving?
- On November 1, 2026, Los Angeles shifts for daylight saving. After that, Tehran will be 11 hours and 30 minutes ahead of Los Angeles (currently 10 hours and 30 minutes ahead of Los Angeles). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Tehran from Los Angeles?
- Los Angeles and Tehran business hours don't overlap. The closest options are early mornings in Los Angeles or late evenings, when one side stretches outside 9–5.
- When is the best time to call Los Angeles from Tehran?
- Tehran and Los Angeles business hours don't overlap. The closest options are early mornings in Tehran or late evenings, when one side stretches outside 9–5.
- Los Angeles (PDT) to Tehran (IRST) — how do I convert quickly?
- Add 10 hours and 30 minutes to Los Angeles local time to get Tehran local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
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