Seoul to Grand Rapids time converter

Grand Rapids is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Tue, Oct 20) in Grand Rapids.

Seoul KST

Wednesday, October 21, 2026

Grand Rapids EDT

Tuesday, October 20, 2026

Seoul
South Korea
Wed, Oct 21
KSTUTC+9
Grand Rapids
Michigan, United States
Tue, Oct 20
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Grand Rapids conversion table

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

SeoulGrand Rapids
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 Grand Rapids): 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 Grand Rapids 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

Seoul and Grand Rapids are 10,472 km (6,507 miles) apart in a straight line.

More conversions

Grand Rapids 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 Grand RapidsLondon to Grand RapidsLos Angeles to Grand RapidsChicago to Grand RapidsToronto to Grand RapidsSão Paulo to Grand RapidsParis to Grand RapidsBerlin to Grand RapidsMoscow to Grand RapidsDubai to Grand RapidsNew Delhi to Grand RapidsBangkok to Grand Rapids

Questions and answers

What is the time difference between Seoul and Grand Rapids?

Grand Rapids is 13 hours behind Seoul.

What time is it in Grand Rapids when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 PM (Tue, Oct 20) in Grand Rapids.

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

Does the time difference between Seoul and Grand Rapids change?

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