Austin, TX to Kolonnawa: time difference
Kolonnawa is 10 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.
+10 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Austin, TX 08:13 8:13 AM Kolonnawa 18:43 6:43 PM You –:–
08:13 8:13 AM
Central Daylight Time · UTC-5
☀️ 07:43 · 🌙 18:48
18:43 6:43 PM
India Standard Time · UTC+5:30
☀️ 05:58 · 🌙 17:52
·
+10 h 30 min
Kolonnawa is 10 h 30 min ahead of Austin, TX.
When you, Austin, TX and Kolonnawa 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
🇱🇰 Kolonnawa
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 8:30 8:30 AM 9:30 9:30 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Austin, TX | 🇱🇰 Kolonnawa |
|---|---|---|
| Local time | 08:13 | 18:43 |
| Local date | Wednesday, October 28, 2026 | Wednesday, October 28, 2026 |
| Time zone | Central Daylight Time | India Standard Time |
| UTC offset | UTC-5 | UTC+5:30 |
| Offset from Austin, TX | — | +10 h 30 min |
| IANA zone | America/Chicago | Asia/Colombo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:43 | 05:58 |
| Sunset | 18:48 | 17:52 |
| Daylight | 11 h 5 min | 11 h 54 min |
| People on this clock | 974,447 | 64,800 |
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 Kolonnawa: common questions
How many hours ahead of Austin, TX, is Kolonnawa?
The clocks in Kolonnawa are 10 hours and 30 minutes ahead of those in Austin (UTC+5:30 and UTC−5).
What time is it in Kolonnawa when it is 9:00 AM in Austin, TX?
When it is 9:00 AM in Austin, it is 7:30 PM in Kolonnawa.
What time is it in Kolonnawa at the end of the working day in Austin, TX?
The working day in Austin ends at 6:00 PM; in Kolonnawa it is 4:30 AM (the next day) at that moment.
When do working hours in Austin, TX, and in Kolonnawa overlap?
They don't: there are no shared working hours. The start of the day in Austin (9:00 AM) is 7:30 PM in Kolonnawa, and the start of the day in Kolonnawa is 10:30 PM (the previous day) in Austin.
When does the date change in Kolonnawa compared with Austin, TX?
The new day starts in Kolonnawa earlier: at 1:30 PM in Austin it is already midnight there. Until 10:30 AM in Kolonnawa, Austin is still on the previous day.
Does the time difference between Austin, TX, and Kolonnawa change?
Yes. The clocks change only in Austin. From November 1, 2026, Kolonnawa will be 11 hours and 30 minutes ahead of Austin.
