🇮🇳 Kolkata (Calcutta), India
00
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
Kolkata (Calcutta) to Tbilisi: time difference
Tbilisi is 1 h 30 min behind Kolkata (Calcutta). Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Kolkata (Calcutta) 08:50 8:50 AM Tbilisi 07:20 7:20 AM You –:–
08:50 8:50 AM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
07:20 7:20 AM
Georgia Standard Time · UTC+4
☀️ 07:07 · 🌙 18:30
·
−1 h 30 min
Tbilisi is 1 h 30 min behind Kolkata (Calcutta).
When you, Kolkata (Calcutta) and Tbilisi 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
🇬🇪 Tbilisi
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇳 Kolkata (Calcutta) | 🇬🇪 Tbilisi |
|---|---|---|
| Local time | 08:50 | 07:20 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | India Standard Time | Georgia Standard Time |
| UTC offset | UTC+5:30 | UTC+4 |
| Offset from Kolkata (Calcutta) | — | −1 h 30 min |
| IANA zone | Asia/Kolkata | Asia/Tbilisi |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:32 | 07:07 |
| Sunset | 17:17 | 18:30 |
| Daylight | 11 h 46 min | 11 h 22 min |
| People on this clock | 4,486,679 | 1,241,700 |
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 Tbilisi: common questions
How many hours behind Kolkata (Calcutta) is Tbilisi?
The clocks in Tbilisi are 1 hour and 30 minutes behind those in Kolkata (UTC+4 and UTC+5:30).
What time is it in Tbilisi when it is 9:00 AM in Kolkata (Calcutta)?
When it is 9:00 AM in Kolkata, it is 7:30 AM in Tbilisi.
What time is it in Tbilisi at the end of the working day in Kolkata (Calcutta)?
The working day in Kolkata ends at 6:00 PM; in Tbilisi it is 4:30 PM at that moment.
Is there a time when both Kolkata (Calcutta) and Tbilisi are at work?
Yes: from 10:30 AM to 6:00 PM in Kolkata (9:00 AM to 4:30 PM in Tbilisi), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Kolkata (Calcutta) is it still yesterday in Tbilisi?
Before 1:30 AM in Kolkata, the date in Tbilisi has not changed yet. From 10:30 PM in Tbilisi, it is already the next day in Kolkata.
Does the time difference between Kolkata (Calcutta) and Tbilisi change?
No. Neither place uses daylight saving time, so the difference stays 1 hour and 30 minutes all year.
