Seoul to Chalco time converter

Chalco is 15 hours behind Seoul. When it is 9:00 AM in Seoul, it is 6:00 PM (Sun, Oct 18) in Chalco.

Seoul KST

Monday, October 19, 2026

Chalco CST

Sunday, October 18, 2026

Seoul
South Korea
Mon, Oct 19
KSTUTC+9
Chalco
México, Mexico
Sun, Oct 18
CSTUTC-6-15h
Finding your time zone…
Shared working hours (9:00–18:00)

Seoul to Chalco conversion table

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

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Seoul (4:00 PM – 6:00 PM in Chalco): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference stays 15 hours all year.

Distance

Seoul and Chalco are 12,082 km (7,507 miles) apart in a straight line.

More conversions

Chalco 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 ChalcoLondon to ChalcoLos Angeles to ChalcoChicago to ChalcoToronto to ChalcoSão Paulo to ChalcoParis to ChalcoBerlin to ChalcoMoscow to ChalcoDubai to ChalcoNew Delhi to ChalcoBangkok to Chalco

Questions and answers

What is the time difference between Seoul and Chalco?

Chalco is 15 hours behind Seoul.

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

When it is 9:00 AM in Seoul, it is 6:00 PM (Sun, Oct 18) in Chalco.

When is the best time to call Chalco from Seoul?

Working hours don't overlap fully. The closest fit is 7:00 AM – 9:00 AM in Seoul (4:00 PM – 6:00 PM in Chalco): working hours on one side, early or late on the other.

Does the time difference between Seoul and Chalco change?

No. The difference stays 15 hours all year.