Time in Mumbai vs Grimsby
Mumbai keeps IST (UTC+5:30) and Grimsby keeps BST (UTC+1) today. Grimsby is 4½ hours behind Mumbai; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–14:00 in Grimsby (13:00–18:00 your time).
| City | 00:00 in Mumbai | 01:00 in Mumbai | 02:00 in Mumbai | 03:00 in Mumbai | 04:00 in Mumbai | 05:00 in Mumbai | 06:00 in Mumbai | 07:00 in Mumbai | 08:00 in Mumbai | 09:00 in Mumbai | 10:00 in Mumbai | 11:00 in Mumbai | 12:00 in Mumbai | 13:00 in Mumbai | 14:00 in Mumbai | 15:00 in Mumbai | 16:00 in Mumbai | 17:00 in Mumbai | 18:00 in Mumbai | 19:00 in Mumbai | 20:00 in Mumbai | 21:00 in Mumbai | 22:00 in Mumbai | 23:00 in Mumbai |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mumbai—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Grimsby—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Mumbai and Grimsby
Best hours to call
Where daylight saving pulls them apart
Grimsby next changes on Sunday 25 October 2026. Between those two dates the gap between the cities is an hour different from the one shown above — which is exactly when a recurring meeting drifts. Every date we track is on the daylight saving page.
Also useful
Common questions
How many hours ahead is Grimsby of Mumbai?
Grimsby is 4½ hours behind Mumbai right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Mumbai and Grimsby?
Any hour in 13:00–18:00 Mumbai time is inside working hours in both cities.
Do Mumbai and Grimsby change clocks on the same date?
Only one of them does, so the gap between them changes twice a year even though neither city moved relative to the sun.