London to Kolkata time zone converter

London
GMT
United Kingdom
03:23:00
Oct 27
  • 12
    AM
  • 1
    AM
  • 2
    AM
  • 3
    AM
  • 4
    AM
  • 5
    AM
  • 6
    AM
  • 7
    AM
  • 8
    AM
  • 9
    AM
  • 10
    AM
  • 11
    AM
  • 12
    PM
  • 1
    PM
  • 2
    PM
  • 3
    PM
  • 4
    PM
  • 5
    PM
  • 6
    PM
  • 7
    PM
  • 8
    PM
  • 9
    PM
  • 10
    PM
  • 11
    PM
Kolkata
GMT+5:30
India
08:53:00
Oct 27
  • 5:30
    AM
  • 6:30
    AM
  • 7:30
    AM
  • 8:30
    AM
  • 9:30
    AM
  • 10:30
    AM
  • 11:30
    AM
  • 12:30
    PM
  • 1:30
    PM
  • 2:30
    PM
  • 3:30
    PM
  • 4:30
    PM
  • 5:30
    PM
  • 6:30
    PM
  • 7:30
    PM
  • 8:30
    PM
  • 9:30
    PM
  • 10:30
    PM
  • 11:30
    PM
  • 12:30
    AM
  • 1:30
    AM
  • 2:30
    AM
  • 3:30
    AM
  • 4:30
    AM

This simple London to Kolkata time zone converter allows you to quickly and visually understand the time difference between London (London) and Kolkata (Kolkata).

2026-10-27: 3:23 AM London

8:53 AM GMT+5:30

London: UTC+00:00 · Kolkata: UTC+05:30

Just hover over the colored hour tiles, and you’ll instantly see the corresponding time in both zones. The time difference between London and Kolkata is 5 hours 30 minutes, with Kolkata being ahead. For example, if it is 3:23 AM London, the equivalent time in Kolkata will be 8:53 AM GMT+5:30.

London to Kolkata hour-by-hour

2026-10-27 · London
LondonKolkata
00:00 GMT05:30 GMT+5:30
00:30 GMT06:00 GMT+5:30
01:00 GMT06:30 GMT+5:30
01:30 GMT07:00 GMT+5:30
02:00 GMT07:30 GMT+5:30
02:30 GMT08:00 GMT+5:30
03:00 GMT08:30 GMT+5:30
03:30 GMT09:00 GMT+5:30
04:00 GMT09:30 GMT+5:30
04:30 GMT10:00 GMT+5:30
05:00 GMT10:30 GMT+5:30
05:30 GMT11:00 GMT+5:30
06:00 GMT11:30 GMT+5:30
06:30 GMT12:00 GMT+5:30
07:00 GMT12:30 GMT+5:30
07:30 GMT13:00 GMT+5:30
08:00 GMT13:30 GMT+5:30
08:30 GMT14:00 GMT+5:30
09:00 GMT14:30 GMT+5:30
09:30 GMT15:00 GMT+5:30
10:00 GMT15:30 GMT+5:30
10:30 GMT16:00 GMT+5:30
11:00 GMT16:30 GMT+5:30
11:30 GMT17:00 GMT+5:30
12:00 GMT17:30 GMT+5:30
12:30 GMT18:00 GMT+5:30
13:00 GMT18:30 GMT+5:30
13:30 GMT19:00 GMT+5:30
14:00 GMT19:30 GMT+5:30
14:30 GMT20:00 GMT+5:30
15:00 GMT20:30 GMT+5:30
15:30 GMT21:00 GMT+5:30
16:00 GMT21:30 GMT+5:30
16:30 GMT22:00 GMT+5:30
17:00 GMT22:30 GMT+5:30
17:30 GMT23:00 GMT+5:30
18:00 GMT23:30 GMT+5:30
18:30 GMT00:00 (+1) GMT+5:30
19:00 GMT00:30 (+1) GMT+5:30
19:30 GMT01:00 (+1) GMT+5:30
20:00 GMT01:30 (+1) GMT+5:30
20:30 GMT02:00 (+1) GMT+5:30
21:00 GMT02:30 (+1) GMT+5:30
21:30 GMT03:00 (+1) GMT+5:30
22:00 GMT03:30 (+1) GMT+5:30
22:30 GMT04:00 (+1) GMT+5:30
23:00 GMT04:30 (+1) GMT+5:30
23:30 GMT05:00 (+1) GMT+5:30

London

Europe/London

Uses IANA time zone rules for the selected date.

GMT · UTC+00:00

Kolkata

Asia/Kolkata

Uses IANA time zone rules for the selected date.

GMT+5:30 · UTC+05:30

Frequently Asked Questions

2026-10-27 · London behind Kolkata: 5 hours 30 minutes. London: UTC+00:00; Kolkata: UTC+05:30.

2026-10-27 · 03:23 London → 08:53 GMT+5:30.

Weekday overlap (Mon–Fri, 09:00–17:00 in both places): London: 09:00 GMT – 11:30 GMT ↔ Kolkata: 14:30 GMT+5:30 – 17:00 GMT+5:30

London behind Kolkata: 5 hours 30 minutes

Date → Select range → .ics. 2026-10-27 · 03:23 London → 08:53 GMT+5:30.

London: Uses IANA time zone rules for the selected date. Next clock change: 2027-03-28 02:00 GMT+1 Kolkata: Uses IANA time zone rules for the selected date. No clock change in the next 370 days