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London is +1h ahead of Reykjavik
Quick converter
FROM
Reykjavik
Iceland
UTC+00:00
TO
London
United Kingdom
UTC+01:00
Date-aware conversion
Result
Sun, Jun 21, 2026 05:31
Reykjavik: Sunday, June 21, 2026 4:31 AM GMT to London: Sunday, June 21, 2026 5:31 AM GMT+1.
London is 1h ahead of Reykjavik on this date
Every hour in Reykjavik and the corresponding time in London. Green rows indicate business hours in London.
Time zones
Reykjavik uses Atlantic/Reykjavik (GMT) and London uses Europe/London (GMT+1). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in London. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
The easiest overlap starts around 9:00 AM and runs through 4:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
Reykjavik is located in Iceland (Europe). It uses the Atlantic/Reykjavik timezone with a standard offset of UTC+00:00. It does not observe Daylight Saving Time. See the full Reykjavik time page for live clock and planning details.
London is located in United Kingdom (Europe). It uses the Europe/London timezone with a standard offset of UTC+01:00. It observes DST, switching between GMT and BST. See the full London time page for live clock and planning details.
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