Seoul to Arecibo time converter

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

Seoul KST

Tuesday, October 20, 2026

Arecibo AST

Tuesday, October 20, 2026

Seoul
South Korea
Tue, Oct 20
KSTUTC+9
Arecibo
Puerto Rico
Tue, Oct 20
ASTUTC-4-13h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Arecibo conversion table

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

SeoulArecibo
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 Arecibo): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 13 hours all year.

Distance

Seoul and Arecibo are 13,621 km (8,464 miles) apart in a straight line.

More conversions

Arecibo 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 AreciboLondon to AreciboLos Angeles to AreciboChicago to AreciboToronto to AreciboSão Paulo to AreciboParis to AreciboBerlin to AreciboMoscow to AreciboDubai to AreciboNew Delhi to AreciboBangkok to Arecibo

Questions and answers

What is the time difference between Seoul and Arecibo?

Arecibo is 13 hours behind Seoul.

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

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

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

Does the time difference between Seoul and Arecibo change?

No. The difference stays 13 hours all year.