Montreal to Koshu time converter

Koshu is 13 hours ahead of Montreal. When it is 9:00 AM in Montreal, it is 10:00 PM in Koshu.

Montreal EDT

Wednesday, October 21, 2026

Koshu JST

Thursday, October 22, 2026

Montreal
Quebec, Canada
Wed, Oct 21
EDTUTC-4
Koshu
Japan
Thu, Oct 22
JSTUTC+9+13h
Finding your time zone…
Shared working hours (9:00–18:00)

Montreal to Koshu conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Montreal (9:00 AM – 11:00 AM in Koshu): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Montreal and Koshu switch clocks on different dates:

  • Oct 21, 2026 – Nov 1, 2026: +13h
  • Nov 1, 2026 – Mar 14, 2027: +14h
  • Mar 14, 2027 – Oct 21, 2027: +13h

Distance

Montreal and Koshu are 10,416 km (6,472 miles) apart in a straight line.

More conversions

Koshu to MontrealMontreal to New YorkMontreal to LondonMontreal to Los AngelesMontreal to ChicagoMontreal to TorontoMontreal to São PauloMontreal to ParisMontreal to BerlinMontreal to MoscowMontreal to DubaiMontreal to New DelhiMontreal to Bangkok
New York to KoshuLondon to KoshuLos Angeles to KoshuChicago to KoshuToronto to KoshuSão Paulo to KoshuParis to KoshuBerlin to KoshuMoscow to KoshuDubai to KoshuNew Delhi to KoshuBangkok to Koshu

Questions and answers

What is the time difference between Montreal and Koshu?

Koshu is 13 hours ahead of Montreal.

What time is it in Koshu when it is 9 AM in Montreal?

When it is 9:00 AM in Montreal, it is 10:00 PM in Koshu.

When is the best time to call Koshu from Montreal?

Working hours don't overlap fully. The closest fit is 8:00 PM – 10:00 PM in Montreal (9:00 AM – 11:00 AM in Koshu): working hours on one side, early or late on the other.

Does the time difference between Montreal and Koshu change?

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