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London is +5h ahead of San Juan
Quick converter
FROM
San Juan
Puerto Rico
UTC-04:00
TO
London
United Kingdom
UTC+01:00
Date-aware conversion
Result
Tue, Jul 14, 2026 18:41
San Juan: Tuesday, July 14, 2026 1:41 PM AST to London: Tuesday, July 14, 2026 6:41 PM GMT+1.
London is 5h ahead of San Juan on this date
Every hour in San Juan and the corresponding time in London. Green rows indicate business hours in London.
Time zones
San Juan uses America/Puerto_Rico (AST) 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 12:00 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
San Juan is located in Puerto Rico (North America). It uses the America/Puerto_Rico timezone with a standard offset of UTC-04:00. It does not observe Daylight Saving Time. See the full San Juan 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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