Tehran time to Los Angeles time
Los Angeles is 11.5 hours behind Tehran in January and 10.5 hours behind in July (Tehran GMT+3:30/UTC+03:30 in summer; Los Angeles GMT-7/UTC−07:00). Enter a Tehran time below to convert it, or leave it blank to see the current time in both cities.
How to use the Tehran to Los Angeles time
- Type a Tehran time (24-hour) and optionally a date, or leave blank for now.
- Click Convert.
- Read the Los Angeles time and the working-hours table.
Time difference between Tehran and Los Angeles
Los Angeles is 11.5 hours behind Tehran in January and 10.5 hours behind in July. Los Angeles observes daylight saving time and Tehran does not, so the difference changes twice a year. Tehran uses Asia/Tehran time (UTC+03:30 in January, UTC+03:30 in July); Los Angeles uses America/Los Angeles (UTC−08:00 in January, UTC−07:00 in July).
Working week in Tehran and Los Angeles
Tehran: Iran Standard Time, UTC+3:30 all year (daylight saving was abolished in 2022). Weekend is Friday, with Thursday a half day for many; the week starts Saturday.
Los Angeles: Office hours 09:00–17:00, weekend Saturday–Sunday. Pacific Time: PDT (UTC−7) from mid-March to early November, otherwise PST (UTC−8). Three hours behind New York all year.
Quick conversion table (summer difference)
| Tehran | Los Angeles |
|---|---|
| 08:00 | 21:30 (previous day) |
| 09:00 | 22:30 (previous day) |
| 10:00 | 23:30 (previous day) |
| 12:00 | 01:30 |
| 14:00 | 03:30 |
| 16:00 | 05:30 |
| 18:00 | 07:30 |
| 20:00 | 09:30 |
| 22:00 | 11:30 |
Table uses the July difference; the tool above applies the exact rule for any date.
Best time to call between Tehran and Los Angeles
Within normal office hours (09:00–18:00) in both cities: no overlap within 09:00–18:00; one side must take an early or late call. For a compromise outside that window, the fairest slots are the ones nearest each side's start or end of day, alternating who takes the inconvenient hour.
Reverse
Need the other direction? See Los Angeles to Tehran, or the general time zone converter.
Frequently asked questions
How many hours ahead is Los Angeles from Tehran?
Los Angeles is 11.5 hours behind Tehran in January and 10.5 hours behind in July.
When it is 12:00 noon in Tehran, what time is it in Los Angeles?
01:30 in summer (the same or previous day); use the tool for a specific date.
Does the converter handle daylight saving?
Yes, for the exact date you enter, using the IANA time-zone rules in your browser.
Privacy
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Last updated 2026-09-23.