Kolkata (Calcutta) to Singapore: time difference

Singapore is 2 h 30 min ahead of Kolkata (Calcutta). Live clocks for both, the working hours they share, and how each one sits against your own time.

🇸🇬 Singapore, Singapore

07

6:02 PM · Friday, November 6, 2026

  • Singapore Standard Time
  • UTC+8
  • Golden hour

☀️ 06:47 · 🌙 18:51 · 12 h 4 min

+2 h 30 min

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Kolkata (Calcutta) 15:32 3:32 PM Singapore 18:02 6:02 PM
Kolkata (Calcutta) 15:32 3:32 PM Singapore 18:02 6:02 PM You –:–
🇮🇳 Kolkata (Calcutta)

15:32 3:32 PM

India Standard Time · UTC+5:30

☀️ 05:44 · 🌙 16:58

🇸🇬 Singapore

18:02 6:02 PM

Singapore Standard Time · UTC+8

☀️ 06:47 · 🌙 18:51

⇄ Difference

+2 h 30 min

Singapore is 2 h 30 min ahead of Kolkata (Calcutta).

When you, Kolkata (Calcutta) and Singapore 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
🇸🇬 Singapore
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 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇮🇳 Kolkata (Calcutta) 🇸🇬 Singapore
Local time 15:32 18:02
Local date Friday, November 6, 2026 Friday, November 6, 2026
Time zone India Standard Time Singapore Standard Time
UTC offset UTC+5:30 UTC+8
Offset from Kolkata (Calcutta) — +2 h 30 min
IANA zone Asia/Kolkata Asia/Singapore
Daylight saving Not observed Not observed
Sunrise 05:44 06:47
Sunset 16:58 18:51
Daylight 11 h 13 min 12 h 4 min
People on this clock 4,486,679 5,535,002

Compare Kolkata (Calcutta) with another city

More comparisons with Kolkata (Calcutta): the time zones next to it and the far side of the clock.

Kolkata (Calcutta) and Singapore: common questions

How many hours ahead of Kolkata (Calcutta) is Singapore?
The clocks in Singapore are 2 hours and 30 minutes ahead of those in Kolkata (UTC+8 and UTC+5:30).
What time is it in Singapore at the start of the working day in Kolkata (Calcutta)?
The working day in Kolkata starts at 9:00 AM; in Singapore it is 11:30 AM at that moment.
What time is it in Singapore when it is 6:00 PM in Kolkata (Calcutta)?
When it is 6:00 PM in Kolkata, it is 8:30 PM in Singapore.
When do working hours in Kolkata (Calcutta) and in Singapore overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:30 PM in Kolkata, which is 11:30 AM to 6:00 PM in Singapore.
From what time in Kolkata (Calcutta) is it tomorrow in Singapore?
Once it is 9:30 PM in Kolkata, the date in Singapore has already changed. Until 2:30 AM in Singapore, it is still the previous day in Kolkata.
Is the time difference between Kolkata (Calcutta) and Singapore the same all year?
Yes. Neither Kolkata nor Singapore switches to summer time, so the gap is always 2 hours and 30 minutes.
Show times on the 12-hour clock, temperatures in °F and distances in miles?