Chicago to Tokyo time conversion

Time in Chicago

CDTUTC-5Daylight saving time

Time in Tokyo

JSTUTC+9Not observed

Tokyo is 14 hours ahead of Chicago. After the next clock change (): Tokyo is 15 hours ahead of Chicago.

Time difference with your location

Chicago is 5 hours behind UTC. Compare with your local time →

Chicago and Tokyo are approximately 10,140 km apart in a straight line.

It is the same calendar day in Chicago and Tokyo now (2026-10-21).

Choose a date and time

Choose the local time in Chicago to convert it to Tokyo on that date.

Tokyo to Chicago time conversion

Skipped clock-change times are unavailable; a repeated time uses its first occurrence.

24-hour conversion chart · Chicago → Tokyo

This table converts each hour in Chicago to Tokyo on 2026-10-21.

  • Working hours
  • Outside working hours
  • Night hours
ChicagoTokyoShared working hours
00:0012:00 AM 14:002:00 PM
01:001:00 AM 15:003:00 PM
02:002:00 AM 16:004:00 PM
03:003:00 AM 17:005:00 PM
04:004:00 AM 18:006:00 PM
05:005:00 AM 19:007:00 PM
06:006:00 AM 20:008:00 PM
07:007:00 AM 21:009:00 PM
08:008:00 AM 22:0010:00 PM
09:009:00 AM 23:0011:00 PM
10:0010:00 AM 00:0012:00 AM +1 day
11:0011:00 AM 01:001:00 AM +1 day
12:0012:00 PM 02:002:00 AM +1 day
13:001:00 PM 03:003:00 AM +1 day
14:002:00 PM 04:004:00 AM +1 day
15:003:00 PM 05:005:00 AM +1 day
16:004:00 PM 06:006:00 AM +1 day
17:005:00 PM 07:007:00 AM +1 day
18:006:00 PM 08:008:00 AM +1 day
19:007:00 PM 09:009:00 AM +1 day
20:008:00 PM 10:0010:00 AM +1 day
21:009:00 PM 11:0011:00 AM +1 day
22:0010:00 PM 12:0012:00 PM +1 day
23:0011:00 PM 13:001:00 PM +1 day

Quick conversion examples

These examples convert local times in Chicago to Tokyo on 2026-10-21.

Conversion formula: Tokyo = Chicago + 14h · Chicago + 15h.

ChicagoTokyo
6:00 AM Chicago= 8:00 PM Tokyo
7:00 AM Chicago= 9:00 PM Tokyo
8:00 AM Chicago= 10:00 PM Tokyo
9:00 AM Chicago= 11:00 PM Tokyo
10:00 AM Chicago= 12:00 AM Tokyo (+1 day)
12:00 PM Chicago= 2:00 AM Tokyo (+1 day)
3:00 PM Chicago= 5:00 AM Tokyo (+1 day)
5:00 PM Chicago= 7:00 AM Tokyo (+1 day)
6:00 PM Chicago= 8:00 AM Tokyo (+1 day)
8:00 PM Chicago= 10:00 AM Tokyo (+1 day)

Overlapping meeting hours

The 08:00–18:00 working days in Chicago and Tokyo do not overlap on 2026-10-21.

Clock changes on both sides, 2026–2028

Chicago and Tokyo have the following local clock changes in 2026–2028; all times in the table are local to that side.

YearChicagoTokyo
2026

· 02:00 → 03:00
UTC-6 → UTC-5

· 02:00 → 01:00
UTC-5 → UTC-6

 No clock changes; UTC+9 all year.
2027

· 02:00 → 03:00
UTC-6 → UTC-5

· 02:00 → 01:00
UTC-5 → UTC-6

 No clock changes; UTC+9 all year.
2028

· 02:00 → 03:00
UTC-6 → UTC-5

· 02:00 → 01:00
UTC-5 → UTC-6

 No clock changes; UTC+9 all year.

At the start of 2026, Tokyo is 15 hours ahead of Chicago. The difference changes during the following periods.

  • From 2026-03-08 03:00 Chicago until 2026-11-01 01:00 Chicago, Tokyo is 14 hours ahead of Chicago.
  • From 2027-03-14 03:00 Chicago until 2027-11-07 01:00 Chicago, Tokyo is 14 hours ahead of Chicago.
  • From 2028-03-12 03:00 Chicago until 2028-11-05 01:00 Chicago, Tokyo is 14 hours ahead of Chicago.

Frequently asked questions

What time is 9 AM Chicago in Tokyo?

9:00 AM Chicago = 11:00 PM Tokyo, using UTC-5 and UTC+9. Choose a date above for the seasonal local time.

Does the time difference between Chicago and Tokyo change during the year?

Yes. During 2026–2028: Tokyo is 14 hours ahead of Chicago; Tokyo is 15 hours ahead of Chicago. The clock-change table gives the dates for both sides.

How do I tell whether it is day or night in Tokyo?

Read the Tokyo clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.

What is the best time to call between Chicago and Tokyo?

The 08:00–18:00 working days in Chicago and Tokyo do not overlap.

What is the time difference between Chicago and Tokyo now?

Right now, Tokyo is 14 hours ahead of Chicago. Conversion formula: Tokyo = Chicago + 14h · Chicago + 15h.