Cheonan uses Asia/Seoul — UTC+09:00 (KST) in standard time. It is located in Chungcheongnam-do, South Korea. The live clock shows the current local time and updates every second.
Everything you need to know about Cheonan's time zone, UTC offset, and Daylight Saving Time schedule.
Cheonan uses UTC+09:00 in standard time. This is the offset used outside the daylight saving period.
This zone does not observe daylight saving time and stays on UTC+09:00 year-round.
The official IANA time zone name for Cheonan is Asia/Seoul. This identifier is used in programming, operating systems and calendar applications worldwide.
No daylight saving transitions are scheduled for this zone.
Seoul, Busan, Incheon, Daegu, Daejeon
Currency: South Korean Won (KRW). Calling code: +82. Languages: Korean.
Cheonan (Korean: 천안; Korean pronunciation: [tɕʰʌ.nan] ) is the largest and most densely populated city of South Chungcheong Province, South Korea, and the third largest city in the Hoseo region after Daejeon and Cheongju.
Cheonan borders Gyeonggi Province (Pyeongtaek and Anseong) in the north, North Chungcheong Province (Jincheon County and Cheongju) to the east and southeast, Sejong to the south and Asan and Gongju to the west and southwest.
Cheonan has been called "the core city of [the] nation" due to its location 83.6 km (51.9 mi) south of the national capital, Seoul, in the northeast corner of South Chungcheong, serving as a transportation hub to the Seoul Capital Area and surrounding regions.
Cheonan is connected to various freeways and railways including the National Highways 1 and 21, the Expressways 1-Gyeongbu and 25-Honam, and the city's Korail station serves the Gyeongbu Line and the Janghang Line, with services of the KTX. Cheonan is one of the furthest places from Seoul connected to the Seoul Subway Line 1.
Source: Wikipedia contributors — Cheonan. Adapted text is available under CC BY-SA 4.0; see licence details. Reviewed by the TimeZoria AI Editorial Team.
658,831 residents (GeoNames city population; metro areas may be larger).
Chungcheongnam-do, South Korea.
Asia/Seoul · UTC+09:00 (KST).
No daylight saving time.
South Korean Won (KRW) · +82.
Cheongju, Suwon, Hwaseong
Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ) about 32.6 km from the city coordinates. Source: OurAirports (public domain).
2024 averages: daily highs 18.5°C and lows 9.1°C. Warmest month: August (average high 32.0°C); coolest month: January (average low -5.1°C). Source: Open-Meteo (CC BY 4.0).
The local economy is fuelled to a great extent by tech sector companies in the area. Large national corporations such as Samsung, LG Group, Corning Inc., and several technology companies all have operations in Cheonan. Source: Wikipedia contributors · CC BY-SA 4.0 (adapted).
Region: Chungcheongnam-do · IANA zone: Asia/Seoul · Open data sources and licence details: TimeZoria AI licenses.
Current time in major cities compared to Cheonan. Times update live every second.
Note on DST transitions: The offsets shown above reflect the current live offset, which changes twice a year due to Daylight Saving Time. Different regions change their clocks on different dates, which means the difference between Cheonan and another city can vary by 1 hour for a short period in spring and autumn. Always verify the exact time difference around DST transition dates for critical scheduling.
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Cheonan's time zone affects business hours, travel plans and international calls. The Asia/Seoul zone is used for local scheduling, transport and everyday life in Chungcheongnam-do.
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Common questions about Cheonan's time zone, UTC offset, and DST.