Austin, TX to Tehran: time difference
Tehran is 8 h 30 min ahead of Austin, TX. 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.
Austin, TX 00:23 12:23 AM Tehran 08:53 8:53 AM You –:–
00:23 12:23 AM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:08
08:53 8:53 AM
Iran Standard Time · UTC+3:30
☀️ 06:07 · 🌙 17:37
·
+8 h 30 min
Tehran is 8 h 30 min ahead of Austin, TX.
When you, Austin, TX and Tehran are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Austin, TX
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
🇮🇷 Tehran
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 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
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇮🇷 Tehran |
|---|---|---|
| Local time | 00:23 | 08:53 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Daylight Time | Iran Standard Time |
| UTC offset | UTC-5 | UTC+3:30 |
| Offset from Austin, TX | — | +8 h 30 min |
| IANA zone | America/Chicago | Asia/Tehran |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:30 | 06:07 |
| Sunset | 19:08 | 17:37 |
| Daylight | 11 h 38 min | 11 h 31 min |
| People on this clock | 974,447 | 8,000,000 |
Compare Austin, TX with another city
More comparisons with Austin, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Austin, TX and Tehran: common questions
What is the time difference between Austin, TX, and Tehran?
Tehran is 8 hours and 30 minutes ahead: it uses UTC+3:30, while Austin is on UTC−5.
What time is it in Tehran when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 5:30 PM in Tehran.
What time is it in Tehran when it is 6:00 PM in Austin, TX?
When it is 6:00 PM in Austin, it is 2:30 AM (the next day) in Tehran.
When do working hours in Austin, TX, and in Tehran overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 9:30 AM in Austin, which is 5:30 PM to 6:00 PM in Tehran.
From what time in Austin, TX, is it tomorrow in Tehran?
Once it is 3:30 PM in Austin, the date in Tehran has already changed. Until 8:30 AM in Tehran, it is still the previous day in Austin.
Does the time gap between Austin, TX, and Tehran change during the year?
Yes – daylight saving time is used in Austin but not in Tehran. From November 1, 2026, Tehran will be 9 hours and 30 minutes ahead of Austin.
