Chicago → London: Décalage horaire
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How the difference works
Chicago uses America/Chicago (UTC-6 standard time) and London uses Europe/London (UTC+0 standard time) — a standard-time gap of 6 hours ahead of Chicago. Both cities observe daylight saving time, but they switch on different dates, so the gap can temporarily change around those transitions.
Distance: about 6,353 km (3,948 mi) great-circle distance.
Chicago → London, hour by hour
| Chicago | London | Meilleures heures pour appeler |
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Questions fréquentes
What is the time difference between Chicago and London?
In standard time, London is 6 hours ahead of Chicago. Both cities observe daylight saving time, but they switch on different dates, so the gap can temporarily change around those transitions.
When it is 9:00 in Chicago, what time is it in London?
In standard time it is 15:00 in London. During daylight saving periods the answer can move by an hour — the live table on this page always reflects today's rules.
How far is London from Chicago?
About 6,353 km (3,948 miles) as the crow flies, computed from city-center coordinates.