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South Hamgyong, North Korea

South Hamgyong observes Korea Standard Time, UTC+9, throughout the year. Hamhung, Tanchon, Sinpo, and communities across the province use one official time with no daylight saving adjustment.

Hamhung, North Korea

Friday, 4 September 2026

UTC+9 · Asia/Pyongyang

Time and sun data for Hamhung — the largest city of South Hamgyong

The sun in Hamhung

Sunrise 06:01 Solar noon 12:30 Sunset 19:00 Daylight 12 h 59 min Night 11 h 01 min Civil twilight 05:34 – 19:27

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Current time in South Hamgyong, North Korea

The local-time reading applies from the province’s coastal cities to its mountainous interior. North Korea maintains a single zone, so South Hamgyong never differs from the national capital by the clock.

For a UTC conversion, advance nine hours. If the result passes midnight, advance the calendar date as well. This fixed rule is more dependable than relying on an informal label such as “Korean time” without naming the offset.

Official zone: Korea Standard Time Position relative to UTC: nine hours ahead Annual clock switches: none Domestic time boundary: none A train may take its time through the mountains; the province itself does not change time zones.

Hamhung and other major cities

Hamhung is the capital and largest urban center of South Hamgyong. The adjoining coastal city of Hungnam is closely connected with Hamhung. Tanchon lies farther northeast, and Sinpo is another significant settlement on the eastern coast.

Other provincial place names include Riwon, Hongwon, Pukchong, and Kowon. Mountain counties extend inland from the coastal belt. Despite the province’s length and varied relief, every municipality and county follows the same UTC+9 standard.

Wonsan lies south of the province in Kangwon, while Chongjin is farther north in North Hamgyong. Neither direction entails a clock change. Geographic orientation still matters for sunrise, however, because an identical wall-clock reading does not place the Sun at the same point everywhere.

Sunrise from coast to mountains

A Hamhung sunrise listing is a useful guide for the provincial capital, not an exact substitute for Tanchon or an inland valley. Coastal longitude, northern or southern position, and obstructing ridges all contribute to local differences.

Choose the closest named city in the sunrise tool. Confirm the date and UTC+9 setting. Use dawn if the goal is usable early light rather than the solar disk. Expect a mountain horizon to delay direct visibility in some locations.

Seasonal daylight changes across South Hamgyong without any alteration to official clocks. Near summer, the daylight period is longer; near winter, it is shorter. Cloud cover can hide sunrise altogether, but it does not alter the calculated astronomical time.

Questions and answers
What time does Hamhung use?
Hamhung uses Korea Standard Time at UTC+9.
Is Tanchon in another zone because it is farther north?
No. Tanchon shares the province-wide and nationwide official clock.
Can terrain change the published sunrise time?
Terrain does not change the standard astronomical calculation, but it can delay when the Sun becomes visible from a specific spot.

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