Greenwich Mean Time

At a glance

IANA

Europe/London

Standard offset

UTC+0 (GMT)

DST offset

UTC+1 (GMT+1)

Observes DST?

Yes

Countries

GB

Main cities

London, Birmingham, Glasgow, Manchester

Also known as

GB, GB-Eire, Europe/Guernsey, Europe/Isle_of_Man, Europe/Jersey, Europe/Belfast

Developer snippets

// JavaScript
new Intl.DateTimeFormat('en-US', { timeZone: 'Europe/London' }).format(new Date());

// Python
from zoneinfo import ZoneInfo
from datetime import datetime
datetime.now(ZoneInfo('Europe/London'));

// Java
java.time.ZonedDateTime.now(java.time.ZoneId.of('Europe/London'));