🇮🇳 Kolkata (Calcutta), India
50
- India Standard Time
- UTC+5:30
- Daytime
☀️ 05:32 · 🌙 17:17 · 11 h 46 min
Kolkata (Calcutta) to Lisbon: time difference
Lisbon is 4 h 30 min behind Kolkata (Calcutta). Live clocks for both, the working hours they share, and how each one sits against your own time.
−4 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Kolkata (Calcutta) 08:47 8:47 AM Lisbon 04:17 4:17 AM You –:–
08:47 8:47 AM
India Standard Time · UTC+5:30
☀️ 05:32 · 🌙 17:17
04:17 4:17 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
−4 h 30 min
Lisbon is 4 h 30 min behind Kolkata (Calcutta).
When you, Kolkata (Calcutta) and Lisbon 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
🇵🇹 Lisbon
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇳 Kolkata (Calcutta) | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 08:47 | 04:17 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | India Standard Time | Western European Summer Time |
| UTC offset | UTC+5:30 | UTC+1 |
| Offset from Kolkata (Calcutta) | — | −4 h 30 min |
| IANA zone | Asia/Kolkata | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 05:32 | 07:41 |
| Sunset | 17:17 | 19:07 |
| Daylight | 11 h 46 min | 11 h 26 min |
| People on this clock | 4,486,679 | 545,923 |
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 Lisbon: common questions
How far behind Kolkata (Calcutta) is Lisbon?
Lisbon is 4 hours and 30 minutes behind Kolkata: UTC+1 against UTC+5:30.
What time is it in Lisbon when it is 9:00 AM in Kolkata (Calcutta)?
When it is 9:00 AM in Kolkata, it is 4:30 AM in Lisbon.
What time is it in Lisbon when it is 6:00 PM in Kolkata (Calcutta)?
When it is 6:00 PM in Kolkata, it is 1:30 PM in Lisbon.
When do working hours in Kolkata (Calcutta) and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:30 PM to 6:00 PM in Kolkata, which is 9:00 AM to 1:30 PM in Lisbon.
When does the date change in Lisbon compared with Kolkata (Calcutta)?
The new day starts in Lisbon later: until 4:30 AM in Kolkata, it is still the previous day there. From 7:30 PM in Lisbon, Kolkata is already on the next day.
Does the time gap between Kolkata (Calcutta) and Lisbon change during the year?
Yes – daylight saving time is used in Lisbon but not in Kolkata. From October 25, 2026, Lisbon will be 5 hours and 30 minutes behind Kolkata.
