Chicago → Tokyo: Time Difference
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How the difference works
Chicago uses America/Chicago (UTC-6 standard time) and Tokyo uses Asia/Tokyo (UTC+9 standard time) — a standard-time gap of 15 hours ahead of Chicago. Chicago observes daylight saving time while Tokyo does not, so the difference shifts by one hour twice a year.
Distance: about 10,141 km (6,302 mi) great-circle distance.
Chicago → Tokyo, hour by hour
| Chicago | Tokyo | Best hours to call |
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Frequently asked questions
What is the time difference between Chicago and Tokyo?
In standard time, Tokyo is 15 hours ahead of Chicago. Chicago observes daylight saving time while Tokyo does not, so the difference shifts by one hour twice a year.
When it is 9:00 in Chicago, what time is it in Tokyo?
In standard time it is 00:00 the next day in Tokyo. 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 Tokyo from Chicago?
About 10,141 km (6,302 miles) as the crow flies, computed from city-center coordinates.