Meeting time
Best time to meet: Tokyo and Chicago
Tokyo is 15 hours ahead of Chicago right now, so their working days do not overlap. The time that asks least of both is 8 AM in Tokyo, which is 5 PM in Chicago — one of you starts early or stays late.
Wed 12:55 AMTokyo · Japan Standard TimeTue 9:55 AMChicago · Central Standard Time
Hour by hour
With the clocks as they are on November 11, 2026, Tokyo time on the left. A working day here is 9 AM to 5 PM.
| Tokyo | Chicago | |
|---|---|---|
| 6 AM | 3 PM day before | Chicago at work |
| 7 AM | 4 PM day before | Chicago at work |
| 8 AM | 5 PM day before | Easiest time |
| 9 AM | 6 PM day before | Tokyo at work |
| 10 AM | 7 PM day before | Tokyo at work |
| 11 AM | 8 PM day before | Tokyo at work |
| 12 PM | 9 PM day before | Tokyo at work |
| 1 PM | 10 PM day before | Tokyo at work |
| 2 PM | 11 PM day before | Tokyo at work |
| 3 PM | 12 AM | Tokyo at work |
| 4 PM | 1 AM | Tokyo at work |
| 5 PM | 2 AM | Both off |
| 6 PM | 3 AM | Both off |
| 7 PM | 4 AM | Both off |
| 8 PM | 5 AM | Both off |
| 9 PM | 6 AM | Both off |
| 10 PM | 7 AM | Both off |
When the clocks change
The gap moves when either city changes its clocks. The next twelve months:
| Dates | Tokyo is | Both at work (Tokyo time) | Easiest (Tokyo / Chicago) |
|---|---|---|---|
| Now to March 14, 2027 | 15 hours ahead | None | 8 AM / 5 PM |
| March 14, 2027 to November 7, 2027 clocks in Chicago go forward | 14 hours ahead | None | 7:30 AM / 5:30 PM |
| November 7, 2027 onward clocks in Chicago go back | 15 hours ahead | None | 8 AM / 5 PM |
Questions people ask
What time is it in Chicago when it is 9 AM in Tokyo?
6 PM in Chicago, the day before, while Tokyo is 15 hours ahead.
6 PM in Chicago, the day before, while Tokyo is 15 hours ahead.
When is the best time for a call between Tokyo and Chicago?
8 AM in Tokyo, which is 5 PM in Chicago. Their working days do not overlap, so this is the fairest time for both.
8 AM in Tokyo, which is 5 PM in Chicago. Their working days do not overlap, so this is the fairest time for both.
Does the time difference between Tokyo and Chicago change during the year?
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.
Yes — it changes 2 times in the next twelve months, when the clocks go forward or back; the dates are in the table above.
More cities
New York and TokyoNo shared working hours · fairest at 5:30 PM New York timeLondon and TokyoNo shared working hours · fairest at 8 AM London timeNew York and Chicago7 hours of shared working day · meet at 11 AM New York timeLondon and Chicago2 hours of shared working day · meet at 4 PM London timeSan Francisco and Tokyo1 hour of shared working day · meet at 4 PM San Francisco timeBangalore and Tokyo4 hours 30 minutes of shared working day · meet at 10 AM Bangalore timeSingapore and Tokyo7 hours of shared working day · meet at 10 AM Singapore timeSan Francisco and Chicago6 hours of shared working day · meet at 11:30 AM San Francisco timeBangalore and ChicagoNo shared working hours · fairest at 6:30 PM Bangalore timeSingapore and ChicagoNo shared working hours · fairest at 7:30 AM Singapore timeLos Angeles and Tokyo1 hour of shared working day · meet at 4 PM Los Angeles timeLos Angeles and Chicago6 hours of shared working day · meet at 11:30 AM Los Angeles time
Every city from Tokyo · Every city from Chicago · All cities · Plan across more than two cities
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