Surabaya to Austin, TX: time difference
Austin, TX is 12 h behind Surabaya. 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.
Surabaya 07:25 7:25 AM Austin, TX 19:25 7:25 PM You –:–
07:25 7:25 AM
Western Indonesia Time · UTC+7
☀️ 05:10 · 🌙 17:24
19:25 7:25 PM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:08
·
−12 h
Austin, TX is 12 h behind Surabaya.
When you, Surabaya 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
🇮🇩 Surabaya
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇩 Surabaya | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 07:25 | 19:25 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Western Indonesia Time | Central Daylight Time |
| UTC offset | UTC+7 | UTC-5 |
| Offset from Surabaya | — | −12 h |
| IANA zone | Asia/Jakarta | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:10 | 07:30 |
| Sunset | 17:24 | 19:08 |
| Daylight | 12 h 13 min | 11 h 38 min |
| People on this clock | 2,765,487 | 974,447 |
Compare Surabaya with another city
More comparisons with Surabaya: the time zones next to it and the far side of the clock.
Surabaya and Austin, TX: common questions
What is the time difference between Surabaya and Austin, TX?
Austin is 12 hours behind: it uses UTC−5, while Surabaya is on UTC+7.
What time is it in Austin, TX, when it is 9:00 AM in Surabaya?
When it is 9:00 AM in Surabaya, it is 9:00 PM (the previous day) in Austin.
What time is it in Austin, TX, when it is 6:00 PM in Surabaya?
When it is 6:00 PM in Surabaya, it is 6:00 AM in Austin.
When is a good time to call Austin, TX, from Surabaya?
Working hours (9:00 AM–6:00 PM) in Surabaya and in Austin do not overlap. At 9:00 AM in Surabaya it is 9:00 PM (the previous day) in Austin; when the working day starts in Austin, it is 9:00 PM in Surabaya.
When does the date change in Austin, TX, compared with Surabaya?
The new day starts in Austin later: until 12:00 PM in Surabaya, it is still the previous day there. From 12:00 PM in Austin, Surabaya is already on the next day.
Does the time difference between Surabaya and Austin, TX, change?
Yes. The clocks change only in Austin. From November 1, 2026, Austin will be 13 hours behind Surabaya.
