What time is it in Koseki, Yamagata, Japan
On this page you will find the exact local time in Koseki, Yamagata, Japan, in the Asia/Tokyo time zone (+9).
Koseki, Japan
Monday, 26 October 2026
UTC+9 · Asia/Tokyo
Local time in Koseki
UTC+9 · no daylight saving time
What the clock shows right now in Koseki.
The sun today
Sunrise 5:59 AM Solar noon 11:24 AM Sunset 4:48 PM Daylight 10 h 50 min Night 13 h 10 min Civil twilight 5:32 AM – 5:15 PM
Weather in Koseki right now
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Weather data by Open-Meteo, updated every 30 minutes.
Koseki and its neighbours
Postal codes
- 283-0102
- 297-0067
- 959-1286
- 964-0065
- 994-0004
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in Yamagata
Other places named Koseki
- Koseki Chiba, Japan
Same time zone — Asia/Tokyo
Nearby places
Koseki: clock, sun and surroundings
The time zone assigned to Koseki is Asia/Tokyo, held at UTC+9. Daylight saving time applies: No.
Expect sunrise at 5:59 AM and sunset at 4:48 PM in Koseki today. Daylight adds up to 10 h 50 min.
Same time, different place: Kunomoto and Majirie near Koseki.
5 postal codes correspond to Koseki.
Questions and answers
- How is the time zone for Koseki identified?
- The time zone for Koseki is identified as Asia/Tokyo, with an offset of +9.
- Is the time in Koseki adjusted seasonally?
- No.
- At what hour does the sun rise in Koseki?
- At 5:59 AM.