Seoul to Bay City time converter

Bay City is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Wed, Oct 21) in Bay City.

Seoul KST

Thursday, October 22, 2026

Bay City EDT

Wednesday, October 21, 2026

Seoul
South Korea
Thu, Oct 22
KSTUTC+9
Bay City
Michigan, United States
Wed, Oct 21
EDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Bay City conversion table

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

SeoulBay City
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 Bay City): 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 Bay City switch clocks on different dates:

  • Oct 22, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 22, 2027: -13h

Distance

Seoul and Bay City are 10,469 km (6,505 miles) apart in a straight line.

More conversions

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Questions and answers

What is the time difference between Seoul and Bay City?

Bay City is 13 hours behind Seoul.

What time is it in Bay City when it is 9 AM in Seoul?

When it is 9:00 AM in Seoul, it is 8:00 PM (Wed, Oct 21) in Bay City.

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

Does the time difference between Seoul and Bay City change?

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