🇮🇳 Kolkata (Calcutta), India
33
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
Kolkata (Calcutta) to Athens: time difference
Athens is 2 h 30 min behind Kolkata (Calcutta). Live clocks for both, the working hours they share, and how each one sits against your own time.
−2 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Kolkata (Calcutta) 08:44 8:44 AM Athens 06:14 6:14 AM You –:–
08:44 8:44 AM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
06:14 6:14 AM
Eastern European Summer Time · UTC+3
☀️ 07:29 · 🌙 18:56
·
−2 h 30 min
Athens is 2 h 30 min behind Kolkata (Calcutta).
When you, Kolkata (Calcutta) and Athens 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
🇬🇷 Athens
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇳 Kolkata (Calcutta) | 🇬🇷 Athens |
|---|---|---|
| Local time | 08:44 | 06:14 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | India Standard Time | Eastern European Summer Time |
| UTC offset | UTC+5:30 | UTC+3 |
| Offset from Kolkata (Calcutta) | — | −2 h 30 min |
| IANA zone | Asia/Kolkata | Europe/Athens |
| Daylight saving | Not observed | On summer time → UTC+2, Oct 25, 03:00 |
| Sunrise | 05:32 | 07:29 |
| Sunset | 17:17 | 18:56 |
| Daylight | 11 h 46 min | 11 h 27 min |
| People on this clock | 4,486,679 | 3,090,508 |
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 Athens: common questions
What is the time difference between Kolkata (Calcutta) and Athens?
Athens is 2 hours and 30 minutes behind: it uses UTC+3, while Kolkata is on UTC+5:30.
What time is it in Athens at the start of the working day in Kolkata (Calcutta)?
The working day in Kolkata starts at 9:00 AM; in Athens it is 6:30 AM at that moment.
If it is 6:00 PM in Kolkata (Calcutta), what time is it in Athens?
At 6:00 PM in Kolkata, clocks in Athens show 3:30 PM.
When do working hours in Kolkata (Calcutta) and in Athens overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:30 AM to 6:00 PM in Kolkata, which is 9:00 AM to 3:30 PM in Athens.
Until what time in Kolkata (Calcutta) is it still yesterday in Athens?
Before 2:30 AM in Kolkata, the date in Athens has not changed yet. From 9:30 PM in Athens, it is already the next day in Kolkata.
Is the time difference between Kolkata (Calcutta) and Athens the same all year?
No. Only Athens switches to summer time, so the gap changes twice a year. From October 25, 2026, Athens will be 3 hours and 30 minutes behind Kolkata.
