Karaj to Austin, TX: time difference
Austin, TX is 8 h 30 min behind Karaj. 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.
Karaj 07:40 7:40 AM Austin, TX 23:10 11:10 PM You –:–
07:40 7:40 AM
Iran Standard Time · UTC+3:30
☀️ 06:15 · 🌙 17:28
23:10 11:10 PM
Central Daylight Time · UTC-5
☀️ 07:35 · 🌙 18:59
·
−8 h 30 min
Austin, TX is 8 h 30 min behind Karaj.
When you, Karaj 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
🇮🇷 Karaj
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
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Time zones side by side
| Detail | 🇮🇷 Karaj | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 07:40 | 23:10 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Iran Standard Time | Central Daylight Time |
| UTC offset | UTC+3:30 | UTC-5 |
| Offset from Karaj | — | −8 h 30 min |
| IANA zone | Asia/Tehran | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:15 | 07:35 |
| Sunset | 17:28 | 18:59 |
| Daylight | 11 h 13 min | 11 h 24 min |
| People on this clock | 1,712,000 | 974,447 |
Compare Karaj with another city
More comparisons with Karaj: the time zones next to it and the far side of the clock.
Big time differences
Karaj and Austin, TX: common questions
How many hours behind Karaj is Austin, TX?
The clocks in Austin are 8 hours and 30 minutes behind those in Karaj (UTC−5 and UTC+3:30).
What time is it in Austin, TX, at the start of the working day in Karaj?
The working day in Karaj starts at 9:00 AM; in Austin it is 12:30 AM at that moment.
What time is it in Austin, TX, when it is 6:00 PM in Karaj?
When it is 6:00 PM in Karaj, it is 9:30 AM in Austin.
When is a good time to call Austin, TX, from Karaj?
Between 5:30 PM and 6:00 PM in Karaj – that is 9:00 AM to 9:30 AM in Austin – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Austin, TX?
Until 8:30 AM in Karaj it is still the previous day in Austin. The other way round, from 3:30 PM in Austin it is already the next day in Karaj.
Is the time difference between Karaj and Austin, TX, the same all year?
No. Only Austin switches to summer time, so the gap changes twice a year. From November 1, 2026, Austin will be 9 hours and 30 minutes behind Karaj.
