Bonn Time to GMT Converter

GMT is 1 hour behind CET. 9:00 AM CET = 8:00 AM GMT.

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Bonnfrom
Bonn, Germany
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Greenwich Mean Time
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GMT is 1 hour behind CET at the moment. To convert Bonn Time to GMT, subtract 1 hour from the Bonn Time time: 9:00 AM CET = 8:00 AM GMT.

Bonn Time (Bonn time) is used in Bonn, Germany. GMT (GMT) is used in Same offset as UTC. The UK and Ireland use GMT in winter; Iceland, Ghana and Senegal all year.

The UK is on GMT only in winter; in summer it uses BST (UTC+1).

Bonn Time to GMT time conversion table

Bonn Time to GMT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.

12 AM – 7 AM Bonn Time
Bonn TimeGMT
12:00 AM11:00 PM−1
1:00 AM12:00 AM
2:00 AM1:00 AM
3:00 AM2:00 AM
4:00 AM3:00 AM
5:00 AM4:00 AM
6:00 AM5:00 AM
7:00 AM6:00 AM
8 AM – 3 PM Bonn Time
Bonn TimeGMT
8:00 AM7:00 AM
9:00 AM8:00 AM
10:00 AM9:00 AM
11:00 AM10:00 AM
12:00 PM11:00 AM
1:00 PM12:00 PM
2:00 PM1:00 PM
3:00 PM2:00 PM
4 PM – 11 PM Bonn Time
Bonn TimeGMT
4:00 PM3:00 PM
5:00 PM4:00 PM
6:00 PM5:00 PM
7:00 PM6:00 PM
8:00 PM7:00 PM
9:00 PM8:00 PM
10:00 PM9:00 PM
11:00 PM10:00 PM

Conversion table from Bonn Time to GMT for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in GMT, −1 the previous day.

  • ✓ marks 9 AM–5 PM in both places
  • Greyed times are night in the destination (10 PM–6 AM)

How to convert Bonn Time to GMT

Subtract 1 hour from the Bonn Time time to get GMT.

Example: 9:00 AM CET = 8:00 AM GMT.

Across midnight: 12:00 AM CET = 11:00 PM GMT (previous day). The date changes, so always check the day as well as the hour.

Time difference between Bonn Time and GMT

The time difference between Bonn Time and GMT is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:

  • 1 Jan 2026 – 28 Mar 2026: GMT is 1 hour behind of Bonn Time.
  • 29 Mar 2026 – 24 Oct 2026: GMT is 2 hours behind of Bonn Time.
  • 25 Oct 2026 – 31 Dec 2026: GMT is 1 hour behind of Bonn Time.

Bonn Time and GMT during daylight saving time

  • Bonn Time next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).
  • GMT does not observe daylight saving time; it stays on UTC+0 all year.

Best time for a meeting between Bonn Time and GMT

Bonn Time and GMT share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM CET lands between 9:00 AM and 4:00 PM GMT, inside working hours for both.

Plan a meeting across more time zones.

Bonn Time to GMT FAQ

What is the time difference between Bonn Time and GMT?

Right now GMT is 1 hour behind CET. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.

What is 9 AM Bonn Time in GMT?

9:00 AM CET is 8:00 AM GMT.

What is 12 PM (noon) Bonn Time in GMT?

12:00 PM CET is 11:00 AM GMT.

Is GMT ahead of or behind Bonn Time?

GMT is 1 hour behind CET, so it is earlier in GMT than in Bonn Time.

Does Bonn Time change for daylight saving time?

Yes. Bonn Time next changes on 28 Mar 2027, when clocks go forward one hour from CET to CEST.

Does GMT change for daylight saving time?

No. GMT stays on the same offset all year, so conversions never shift for daylight saving time.

What is the best time for a meeting between Bonn Time and GMT?

Bonn Time and GMT share 7 hours of the 9 AM–5 PM working day. Any time between 10:00 AM and 5:00 PM CET lands between 9:00 AM and 4:00 PM GMT, inside working hours for both.

Related conversions

Convert GMT to Bonn Time

Convert Bonn Time to other time zones

Convert other time zones to GMT

Learn more

Updated 7 November 2026. Time zone data: IANA tz database.