Tokyo to Prospect Heights time converter

Prospect Heights is 14 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 7:00 PM (Mon, Oct 19) in Prospect Heights.

Tokyo JST

Tuesday, October 20, 2026

Prospect Heights CDT

Monday, October 19, 2026

Tokyo
Japan
Tue, Oct 20
JSTUTC+9
Prospect Heights
Illinois, United States
Mon, Oct 19
CDTUTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Prospect Heights conversion table

Every hour of today in Tokyo and the matching time in Prospect Heights. Light rows are typical working hours (9:00–18:00).

TokyoProspect Heights
12:00 AM10:00 AM−1 day
1:00 AM11:00 AM−1 day
2:00 AM12:00 PM−1 day
3:00 AM1:00 PM−1 day
4:00 AM2:00 PM−1 day
5:00 AM3:00 PM−1 day
6:00 AM4:00 PM−1 day
7:00 AM5:00 PM−1 day
8:00 AM6:00 PM−1 day
9:00 AM7:00 PM−1 day
10:00 AM8:00 PM−1 day
11:00 AM9:00 PM−1 day
12:00 PM10:00 PM−1 day
1:00 PM11:00 PM−1 day
2:00 PM12:00 AM
3:00 PM1:00 AM
4:00 PM2:00 AM
5:00 PM3:00 AM
6:00 PM4:00 AM
7:00 PM5:00 AM
8:00 PM6:00 AM
9:00 PM7:00 AM
10:00 PM8:00 AM
11:00 PM9:00 AM

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in Prospect Heights): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Tokyo and Prospect Heights switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 20, 2027: -14h

Distance

Tokyo and Prospect Heights are 10,104 km (6,278 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Tokyo and Prospect Heights?

Prospect Heights is 14 hours behind Tokyo.

What time is it in Prospect Heights when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 7:00 PM (Mon, Oct 19) in Prospect Heights.

When is the best time to call Prospect Heights from Tokyo?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in Prospect Heights): working hours on one side, early or late on the other.

Does the time difference between Tokyo and Prospect Heights change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.