IANA1 published country

Greenwich Mean Time

IANA identifier Europe/London, standard offset UTC+00:00.

IANA identifier
Europe/London
Standard offset
UTC+00:00
Daylight-saving offset
UTC+01:00
Countries using it
1

Offsets come from the IANA time zone database. Some zones switch between the standard and daylight-saving offset during the year.

Countries using Europe/London

Frequently asked questions

What is the IANA identifier for Greenwich Mean Time?

The IANA time zone identifier for Greenwich Mean Time is Europe/London. IANA identifiers are the stable names software and servers use, because they never change meaning with daylight saving time.

What is the standard UTC offset for Europe/London?

The standard offset for Europe/London is UTC+00:00. This means local time is +00:00 ahead of UTC during standard time.

Does Europe/London observe daylight saving time?

Yes. Europe/London shifts to UTC+01:00 during daylight saving time, so its offset changes during part of the year.

What is an IANA time zone identifier?

An IANA identifier is a stable, unambiguous name for a time zone written as Area/Location, such as Europe/London. Unlike abbreviations such as EST, IANA identifiers never become ambiguous, which is why they are used by servers and databases.

How many countries use Europe/London?

Europe/London is used by 1 published country, listed on this page.