What time is it in Koyamatsu, Chiba, Japan
Local time in Koyamatsu, Chiba, Japan is shown on this page, based on the Asia/Tokyo time zone (+9).
Koyamatsu, Japan
Thursday, 5 November 2026
UTC+9 · Asia/Tokyo
Local time in Koyamatsu
UTC+9 · no daylight saving time
Local time in Koyamatsu, Chiba.
The sun today
Sunrise 6:05 AM Solar noon 11:24 AM Sunset 4:43 PM Daylight 10 h 38 min Night 13 h 22 min Civil twilight 5:38 AM – 5:09 PM
Weather in Koyamatsu right now
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Weather data by Open-Meteo, updated every 30 minutes.
Koyamatsu and its neighbours
Postal codes
- 298-0228
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 Chiba
Same time zone — Asia/Tokyo
Nearby places
- Otaki — 2.1 km
- Isumi-Gun — 4.3 km
- Otaki Machi — 4.6 km
- Isumi Shi — 8.3 km
- Tabuchi — 9.6 km
- Tsukizaki — 10.4 km
Time and daylight in Koyamatsu
The time zone used in Koyamatsu is Asia/Tokyo, set at UTC+9. Whether the clocks shift for daylight saving: No.
The sun rises here at 6:05 AM and sets at 4:43 PM in Koyamatsu today. Daylight adds up to 10 h 38 min.
Near Koyamatsu you can add Otaki and Isumi-Gun, both on the same time.
The postal breakdown of Koyamatsu runs to 1 codes.
Questions and answers
- Which time zone is local to Koyamatsu?
- The time zone local to Koyamatsu is Asia/Tokyo, with an offset of +9.
- Does Koyamatsu keep the same offset year round, or does it use daylight saving?
- Daylight saving time in Koyamatsu: No.
- When does the sun go down in Koyamatsu?
- Sunset in Koyamatsu is at 4:43 PM.