What time is it there?

Give a time, in numbers or in words, and the zone it is in, and see it in up to twenty others: each one's offset, its summer time and the next change of its clocks. A time the clocks skip or repeat is explained. Time::Keeper::Zone holds the zones.

The time

Time zone

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23:05 IST, Thursday, 22 October 2026

in Kolkata

The same moment in each zone
Zone	Time	Offset	Next change of the clocks	Remove
KolkataAsia/Kolkata	23:05Thursday, 22 October 2026	`IST` UTC+05:30	Next change of the clocks: none ahead
LondonEurope/London	18:35Thursday, 22 October 2026	`BST` UTC+01:00summer time	Next change of the clocks: Sunday, 25 October 2026, at 02:00: back an hour, to GMT	Remove
TokyoAsia/Tokyo	02:35 next dayFriday, 23 October 2026	`JST` UTC+09:00	Next change of the clocks: none ahead	Remove

Thursday, 22 October 2026 in Kolkata, hour by hour

Working hours, 09:00 to 17:00 on a weekday, are marked. A day the clocks change has 23 or 25 hours.

Kolkata	London	Tokyo
00:00 `IST`	19:30⁻¹	03:30
01:00 `IST`	20:30⁻¹	04:30
02:00 `IST`	21:30⁻¹	05:30
03:00 `IST`	22:30⁻¹	06:30
04:00 `IST`	23:30⁻¹	07:30
05:00 `IST`	00:30	08:30
06:00 `IST`	01:30	09:30
07:00 `IST`	02:30	10:30
08:00 `IST`	03:30	11:30
09:00 `IST`	04:30	12:30
10:00 `IST`	05:30	13:30
11:00 `IST`	06:30	14:30
12:00 `IST`	07:30	15:30
13:00 `IST`	08:30	16:30
14:00 `IST`	09:30	17:30
15:00 `IST`	10:30	18:30
16:00 `IST`	11:30	19:30
17:00 `IST`	12:30	20:30
18:00 `IST`	13:30	21:30
19:00 `IST`	14:30	22:30
20:00 `IST`	15:30	23:30
21:00 `IST`	16:30	00:30⁺¹
22:00 `IST`	17:30	01:30⁺¹
23:00 `IST`	18:30	02:30⁺¹

Zones from the tz database, release 2026e.

What time is it there?

Thursday, 22 October 2026 in Kolkata, hour by hour

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