Sydney to Kosai time converter

Kosai is 2 hours behind Sydney. When it is 9:00 AM in Sydney, it is 7:00 AM in Kosai.

Sydney AEDT

Monday, October 19, 2026

Kosai JST

Monday, October 19, 2026

Sydney
New South Wales, Australia
Mon, Oct 19
AEDTUTC+11
Kosai
Japan
Mon, Oct 19
JSTUTC+9-2h
Finding your time zone…
Shared working hours (9:00–18:00)

Sydney to Kosai conversion table

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

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

Best time to call or meet

Both sides are at work from 11:00 AM – 6:00 PM in Sydney (9:00 AM – 4:00 PM in Kosai).

Daylight saving time and the difference

The difference changes during the year because Sydney and Kosai switch clocks on different dates:

  • Oct 19, 2026 – Apr 4, 2027: -2h
  • Apr 4, 2027 – Oct 3, 2027: -1h
  • Oct 3, 2027 – Oct 19, 2027: -2h

Distance

Sydney and Kosai are 7,757 km (4,820 miles) apart in a straight line.

More conversions

Kosai to SydneySydney to New YorkSydney to LondonSydney to Los AngelesSydney to ChicagoSydney to TorontoSydney to São PauloSydney to ParisSydney to BerlinSydney to MoscowSydney to DubaiSydney to New DelhiSydney to Bangkok
New York to KosaiLondon to KosaiLos Angeles to KosaiChicago to KosaiToronto to KosaiSão Paulo to KosaiParis to KosaiBerlin to KosaiMoscow to KosaiDubai to KosaiNew Delhi to KosaiBangkok to Kosai

Questions and answers

What is the time difference between Sydney and Kosai?

Kosai is 2 hours behind Sydney.

What time is it in Kosai when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 7:00 AM in Kosai.

When is the best time to call Kosai from Sydney?

Both sides are at work from 11:00 AM – 6:00 PM in Sydney (9:00 AM – 4:00 PM in Kosai).

Does the time difference between Sydney and Kosai change?

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