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Kaesong, North Korea

Kaesong uses Korea Standard Time, or UTC+9, all year. The central city and the surrounding administrative districts follow the same North Korean national clock without daylight-saving changes.

Ryul-tong, North Korea

Friday, 4 September 2026

UTC+9 · Asia/Pyongyang

Time and sun data for Ryul-tong — the largest city of Kaesong

The sun in Ryul-tong

Sunrise 06:07 Solar noon 12:34 Sunset 19:02 Daylight 12 h 55 min Night 11 h 05 min Civil twilight 05:40 – 19:28

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Current time in Kaesong, North Korea

The displayed clock gives local time for Kaesong. Korea Standard Time is nine hours ahead of Coordinated Universal Time and is commonly represented by the abbreviation KST. Converting from UTC requires adding nine hours. The result may fall on the following calendar date, so international invitations should always state both the day and the hour. To recover UTC from Kaesong time, subtract nine hours.

North Korea does not currently move its clocks for summer or winter. Kaesong’s offset is consequently stable, although the gap from a daylight-saving country can vary when that country changes time. Kaesong has crossed many historical boundaries; its present-day clock needs only one offset.

Kaesong and its administrative area

Kaesong is itself the dominant urban centre of the special city. Its wider administrative structure includes Kaep’ung and P’anmun districts as well as Changp’ung County, rather than a collection of separate large cities.

Central Kaesong is the main urban and administrative focus. Kaep’ung forms one district of the special city. P’anmun is another district within the administrative area. Changp’ung is the associated county.

All of these places use KST. Their names may appear separately in geographic or administrative data, but they do not represent different time zones.

Sunrise near Korea’s western side

Kaesong lies in the southern part of North Korea, near the western side of the Korean Peninsula. Its sunrise and sunset vary appreciably with the seasons, even though its UTC offset remains fixed. A daily solar listing should be read for the required date. Sunrise is calculated from the sun’s position and a standardized horizon; hills, buildings, cloud, and the observer’s elevation influence when sunlight is actually visible from a particular spot.

Choose Kaesong rather than a distant national reference city. Confirm that the solar result is expressed in KST. Check the calendar date after any international conversion. Use dawn information when usable light matters more than sunrise itself.

Keep a practical margin for terrain and weather. The difference between clock time and solar time is important here. A nine-hour UTC offset defines appointments and transport schedules, while the date and location determine natural light. Treating these as separate layers makes planning much clearer.

Questions and answers

How far ahead of UTC is Kaesong?
Kaesong is nine hours ahead of UTC.
Does Kaesong use daylight saving time?
No. It observes Korea Standard Time throughout the year.
Is P’anmun on another local time?
No. P’anmun and the rest of the Kaesong administrative area use the same KST clock.
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