Time difference between Chicago and Tokyo

Updated live in your browser · IANA time zone database (America/Chicago, Asia/Tokyo)

Chicago CDT · UTC-5

Tokyo GMT+9 · UTC+9

Difference 14 hours — Tokyo is ahead of Chicago

Best time to call

Hours shown in Chicago time. The two working days never overlap: when Chicago is at its desk, Tokyo is asleep. Schedule at the edge of one side's day.

Hour-by-hour conversion

Daylight saving time note

Chicago and Tokyo do not change their clocks on the same date. Between November 1, 2026 and March 14, 2027 the difference is 15 hours behind Tokyo — because Chicago changes its clocks for daylight saving time while Tokyo keeps the same time all year.

For the rest of the year the difference holds steady at 14 hours. Every time on this page is computed from the IANA database at the moment you load it, so the tables above already account for whichever side has switched.

Why the time difference exists

Related comparisons

• New York City ↔ Tokyo
• New York City ↔ Chicago
• London ↔ Tokyo
• London ↔ Chicago
• Singapore ↔ Tokyo
• Tokyo ↔ Los Angeles
• Tokyo ↔ Sydney
• Tokyo ↔ Seoul
• Tokyo ↔ Hong Kong
• Tokyo ↔ San Francisco
• Los Angeles ↔ Chicago
• Chicago ↔ Sydney