Auckland to Osan time converter

Osan is 4 hours behind Auckland. When it is 9:00 AM in Auckland, it is 5:00 AM in Osan.

Auckland NZDT

Tuesday, October 20, 2026

Osan KST

Monday, October 19, 2026

Auckland
New Zealand
Tue, Oct 20
NZDTUTC+13
Osan
South Korea
Mon, Oct 19
KSTUTC+9-4h
Finding your time zone…
Shared working hours (9:00–18:00)

Auckland to Osan conversion table

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

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

Best time to call or meet

Both sides are at work from 1:00 PM – 6:00 PM in Auckland (9:00 AM – 2:00 PM in Osan).

Daylight saving time and the difference

The difference changes during the year because Auckland and Osan switch clocks on different dates:

  • Oct 20, 2026 – Apr 4, 2027: -4h
  • Apr 4, 2027 – Sep 26, 2027: -3h
  • Sep 26, 2027 – Oct 20, 2027: -4h

Distance

Auckland and Osan are 9,580 km (5,953 miles) apart in a straight line.

More conversions

Osan to AucklandAuckland to New YorkAuckland to LondonAuckland to Los AngelesAuckland to ChicagoAuckland to TorontoAuckland to São PauloAuckland to ParisAuckland to BerlinAuckland to MoscowAuckland to DubaiAuckland to New DelhiAuckland to Bangkok
New York to OsanLondon to OsanLos Angeles to OsanChicago to OsanToronto to OsanSão Paulo to OsanParis to OsanBerlin to OsanMoscow to OsanDubai to OsanNew Delhi to OsanBangkok to Osan

Questions and answers

What is the time difference between Auckland and Osan?

Osan is 4 hours behind Auckland.

What time is it in Osan when it is 9 AM in Auckland?

When it is 9:00 AM in Auckland, it is 5:00 AM in Osan.

When is the best time to call Osan from Auckland?

Both sides are at work from 1:00 PM – 6:00 PM in Auckland (9:00 AM – 2:00 PM in Osan).

Does the time difference between Auckland and Osan change?

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