Seoul to Hackensack time converter

Hackensack is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Sun, Oct 18) in Hackensack.

Seoul KST

Monday, October 19, 2026

Hackensack EDT

Sunday, October 18, 2026

Seoul
South Korea
Mon, Oct 19
KSTUTC+9
Hackensack
New Jersey, United States
Sun, Oct 18
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Hackensack conversion table

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

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

Best time to call or meet

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

Daylight saving time and the difference

The difference changes during the year because Seoul and Hackensack switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 19, 2027: -13h

Distance

Seoul and Hackensack are 11,033 km (6,856 miles) apart in a straight line.

More conversions

Hackensack to SeoulSeoul to New YorkSeoul to LondonSeoul to Los AngelesSeoul to ChicagoSeoul to TorontoSeoul to São PauloSeoul to ParisSeoul to BerlinSeoul to MoscowSeoul to DubaiSeoul to New DelhiSeoul to Bangkok
New York to HackensackLondon to HackensackLos Angeles to HackensackChicago to HackensackToronto to HackensackSão Paulo to HackensackParis to HackensackBerlin to HackensackMoscow to HackensackDubai to HackensackNew Delhi to HackensackBangkok to Hackensack

Questions and answers

What is the time difference between Seoul and Hackensack?

Hackensack is 13 hours behind Seoul.

What time is it in Hackensack when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 PM (Sun, Oct 18) in Hackensack.

When is the best time to call Hackensack from Seoul?

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

Does the time difference between Seoul and Hackensack change?

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