CET to Portsmouth Time Converter

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

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CETfrom
Central European Time
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Portsmouth, UK
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GMT is 1 hour behind CET. To convert CET to Portsmouth Time, subtract 1 hour from the CET time: 9:00 AM CET = 8:00 AM GMT.

CET (Central European Time) is used in Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Sweden, Norway, Austria, Switzerland and more. Portsmouth Time (Portsmouth time) is used in Portsmouth, UK.

CET to Portsmouth Time time conversion table

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

12 AM – 7 AM CET
CETPortsmouth Time
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 CET
CETPortsmouth Time
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 CET
CETPortsmouth Time
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 CET to Portsmouth Time 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 Portsmouth Time, −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 CET to Portsmouth Time

Subtract 1 hour from the CET time to get Portsmouth Time.

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 CET and Portsmouth Time

The time difference between CET and Portsmouth Time is 1 hour all year – GMT is behind CET.

CET and Portsmouth Time during daylight saving time

  • CET next changes on 28 Mar 2027: clocks go forward one hour at 01:59 local time, from CET (UTC+1) to CEST (UTC+2).
  • Portsmouth Time next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).

Best time for a meeting between CET and Portsmouth Time

CET and Portsmouth Time 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.

CET to Portsmouth Time FAQ

What is the time difference between CET and Portsmouth Time?

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

What is 9 AM CET in Portsmouth Time?

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

What is 12 PM (noon) CET in Portsmouth Time?

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

Is Portsmouth Time ahead of or behind CET?

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

Does CET change for daylight saving time?

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

Does Portsmouth Time change for daylight saving time?

Yes. Portsmouth Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.

What is the best time for a meeting between CET and Portsmouth Time?

CET and Portsmouth Time 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 Portsmouth Time to CET

Convert CET to other time zones

Convert other time zones to Portsmouth Time

Learn more

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