Tehran to Austin, TX: time difference
Austin, TX is 8 h 30 min behind Tehran. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tehran 08:34 8:34 AM Austin, TX 00:04 12:04 AM You –:–
08:34 8:34 AM
Iran Standard Time · UTC+3:30
☀️ 06:07 · 🌙 17:37
00:04 12:04 AM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:08
·
−8 h 30 min
Austin, TX is 8 h 30 min behind Tehran.
When you, Tehran and Austin, TX are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇷 Tehran
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Austin, TX
15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM 2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇷 Tehran | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 08:34 | 00:04 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Iran Standard Time | Central Daylight Time |
| UTC offset | UTC+3:30 | UTC-5 |
| Offset from Tehran | — | −8 h 30 min |
| IANA zone | Asia/Tehran | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:07 | 07:30 |
| Sunset | 17:37 | 19:08 |
| Daylight | 11 h 31 min | 11 h 38 min |
| People on this clock | 8,000,000 | 974,447 |
Compare Tehran with another city
More comparisons with Tehran: the time zones next to it and the far side of the clock.
Big time differences
Tehran and Austin, TX: common questions
How far behind Tehran is Austin, TX?
Austin is 8 hours and 30 minutes behind Tehran: UTC−5 against UTC+3:30.
If it is 9:00 AM in Tehran, what time is it in Austin, TX?
At 9:00 AM in Tehran, clocks in Austin show 12:30 AM.
What time is it in Austin, TX, at the end of the working day in Tehran?
The working day in Tehran ends at 6:00 PM; in Austin it is 9:30 AM at that moment.
Is there a time when both Tehran and Austin, TX, are at work?
Yes: from 5:30 PM to 6:00 PM in Tehran (9:00 AM to 9:30 AM in Austin), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Austin, TX, compared with Tehran?
The new day starts in Austin later: until 8:30 AM in Tehran, it is still the previous day there. From 3:30 PM in Austin, Tehran is already on the next day.
Does the time gap between Tehran and Austin, TX, change during the year?
Yes – daylight saving time is used in Austin but not in Tehran. From November 1, 2026, Austin will be 9 hours and 30 minutes behind Tehran.
