Time difference between Bytom and London

London is 1 hours behind Bytom.

Europe/Warsaw Europe/London same day

Local time in both cities

Bytom · Poland
21:29
Thursday, 12 November 2026
Europe/Warsaw · UTC+01:00
London · United Kingdom
20:29
Thursday, 12 November 2026
Europe/London · UTC+00:00

London is 1 hours behind Bytom.

same day

Time zones

BytomEurope/Warsaw · UTC+01:00
LondonEurope/London · UTC+00:00

Bytom is currently on standard time (UTC+01:00). Next change: 2027-03-28 03:00.

London is currently on standard time (UTC+00:00). Next change: 2027-03-28 02:00.

Hour-by-hour conversion

Calculated for 2026-11-12 local time in Bytom. The two places start and end daylight saving on different dates, so another day can give a different result.

Bytom (source) London (target)
00:00 23:00 prev day
01:00 00:00
02:00 01:00
03:00 02:00
04:00 03:00
05:00 04:00
06:00 05:00
07:00 06:00
08:00 07:00
09:00 08:00
10:00 09:00
11:00 10:00
12:00 11:00
13:00 12:00
14:00 13:00
15:00 14:00
16:00 15:00
17:00 16:00
18:00 17:00
19:00 18:00
20:00 19:00
21:00 20:00
22:00 21:00
23:00 22:00

FAQ

How many hours apart are Bytom and London right now?
For Bytom and London, the current difference is -1:00, calculated from today’s time-zone rules. The page shows the local date in both cities on a 24-hour clock. Daylight-saving changes can alter the gap. Use specific-date mode for another day and check for a date rollover rather than carrying today’s offset forward. Verify the intended local date on each side before scheduling, especially when the conversion falls near midnight or the destination observes a different seasonal clock change.
Does the time difference between Bytom and London stay constant all year?
The gap between Bytom and London does not necessarily stay constant all year. If the two cities change daylight-saving time on different dates, their difference can vary; months 1 and 7 may show different results. Choose the intended date in specific-date mode and check the converted local date. Do not assume that 1 fixed offset applies for every day of the year, particularly when arranging future meetings or reviewing dates near seasonal clock changes.
How does the hourly table mark date changes and daylight-saving gaps from Bytom to London?
The hourly table for Bytom and London lists corresponding local times for each hour and marks the same instant and any date rollover. It covers 24 hourly slots across 2 cities; a local time skipped by a daylight-saving jump is identified instead of being invented. Check the date and the time zones on both sides when arranging a meeting. Shifting the displayed hour alone can give the wrong local date when the conversion crosses midnight.

Both cities