🇮🇳 Kolkata (Calcutta), India
44
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
Kolkata (Calcutta) to Austin, TX: time difference
Austin, TX is 10 h 30 min behind Kolkata (Calcutta). 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.
Kolkata (Calcutta) 07:05 7:05 AM Austin, TX 20:35 8:35 PM You –:–
07:05 7:05 AM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
20:35 8:35 PM
Central Daylight Time · UTC-5
☀️ 07:30 · 🌙 19:08
·
−10 h 30 min
Austin, TX is 10 h 30 min behind Kolkata (Calcutta).
When you, Kolkata (Calcutta) 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
🇮🇳 Kolkata (Calcutta)
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
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 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇳 Kolkata (Calcutta) | 🇺🇸 Austin, TX |
|---|---|---|
| Local time | 07:05 | 20:35 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | India Standard Time | Central Daylight Time |
| UTC offset | UTC+5:30 | UTC-5 |
| Offset from Kolkata (Calcutta) | — | −10 h 30 min |
| IANA zone | Asia/Kolkata | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:32 | 07:30 |
| Sunset | 17:17 | 19:08 |
| Daylight | 11 h 46 min | 11 h 38 min |
| People on this clock | 4,486,679 | 974,447 |
Compare Kolkata (Calcutta) with another city
More comparisons with Kolkata (Calcutta): the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Kolkata (Calcutta) and Austin, TX: common questions
What is the time difference between Kolkata (Calcutta) and Austin, TX?
Austin is 10 hours and 30 minutes behind: it uses UTC−5, while Kolkata is on UTC+5:30.
What time is it in Austin, TX, when it is 9:00 AM in Kolkata (Calcutta)?
When it is 9:00 AM in Kolkata, it is 10:30 PM (the previous day) in Austin.
If it is 6:00 PM in Kolkata (Calcutta), what time is it in Austin, TX?
At 6:00 PM in Kolkata, clocks in Austin show 7:30 AM.
Is there a time when both Kolkata (Calcutta) and Austin, TX, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Kolkata at 9:00 AM, it is 10:30 PM (the previous day) in Austin; the day in Austin starts at 7:30 PM in Kolkata time.
Until what time in Kolkata (Calcutta) is it still yesterday in Austin, TX?
Before 10:30 AM in Kolkata, the date in Austin has not changed yet. From 1:30 PM in Austin, it is already the next day in Kolkata.
Does the time gap between Kolkata (Calcutta) and Austin, TX, change during the year?
Yes – daylight saving time is used in Austin but not in Kolkata. From November 1, 2026, Austin will be 11 hours and 30 minutes behind Kolkata.
