Tokyo to Mason City time converter

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

Tokyo JST

Tuesday, October 20, 2026

Mason City CDT

Tuesday, October 20, 2026

Tokyo
Japan
Tue, Oct 20
JSTUTC+9
Mason City
Iowa, United States
Tue, Oct 20
CDTUTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Mason City conversion table

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

TokyoMason City
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 Mason City): 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 Mason City 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 Mason City are 9,743 km (6,054 miles) apart in a straight line.

More conversions

Mason City to TokyoTokyo to New YorkTokyo to LondonTokyo to Los AngelesTokyo to ChicagoTokyo to TorontoTokyo to São PauloTokyo to ParisTokyo to BerlinTokyo to MoscowTokyo to DubaiTokyo to New DelhiTokyo to Bangkok
New York to Mason CityLondon to Mason CityLos Angeles to Mason CityChicago to Mason CityToronto to Mason CitySão Paulo to Mason CityParis to Mason CityBerlin to Mason CityMoscow to Mason CityDubai to Mason CityNew Delhi to Mason CityBangkok to Mason City

Questions and answers

What is the time difference between Tokyo and Mason City?

Mason City is 14 hours behind Tokyo.

What time is it in Mason City when it is 9 AM in Tokyo?

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

When is the best time to call Mason City 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 Mason City): working hours on one side, early or late on the other.

Does the time difference between Tokyo and Mason City change?

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