Seoul to Guantánamo time converter

Guantánamo is 13 hours behind Seoul. When it is 9:00 AM in Seoul, it is 8:00 PM (Mon, Oct 19) in Guantánamo.

Seoul KST

Tuesday, October 20, 2026

Guantánamo CDT

Monday, October 19, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Guantánamo
Cuba
Mon, Oct 19
CDTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Guantánamo conversion table

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

SeoulGuantánamo
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 Guantánamo): 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 Guantánamo switch clocks on different dates:

  • Oct 20, 2026 – Nov 1, 2026: -13h
  • Nov 1, 2026 – Mar 14, 2027: -14h
  • Mar 14, 2027 – Oct 20, 2027: -13h

Distance

Seoul and Guantánamo are 13,191 km (8,197 miles) apart in a straight line.

More conversions

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New York to GuantánamoLondon to GuantánamoLos Angeles to GuantánamoChicago to GuantánamoToronto to GuantánamoSão Paulo to GuantánamoParis to GuantánamoBerlin to GuantánamoMoscow to GuantánamoDubai to GuantánamoNew Delhi to GuantánamoBangkok to Guantánamo

Questions and answers

What is the time difference between Seoul and Guantánamo?

Guantánamo is 13 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 8:00 PM (Mon, Oct 19) in Guantánamo.

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

Does the time difference between Seoul and Guantánamo change?

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