Europe & Africa · UTC+0
Greenwich Mean Time
GMT
UTC+0
UK observes BST (UTC+1) from late March to late October
Europe & Africa
UTC+1 (BST in UK)
Greenwich Mean Time (GMT) is the world's time standard at UTC+0. It is the baseline from which all other time zones are calculated and is used across West Africa and Western Europe in winter.
Use our Time Zone Converter to instantly convert GMT to any other time zone worldwide. You can also add Europe & Africa cities to the World Clock to track multiple time zones simultaneously.
UK observes BST (UTC+1) from late March to late October. For a full list of DST changes worldwide, see our DST Changes page.