What time is it in Kosai, Shizuoka, Japan
The local time of Kosai, Shizuoka, Japan is presented here, in line with the Asia/Tokyo zone (+9).
Kosai, Japan
Friday, 30 October 2026
UTC+9 · Asia/Tokyo
Local time in Kosai
UTC+9 · no daylight saving time
Kosai keeps Asia/Tokyo clock_time.
The sun today
Sunrise 6:09 AM Solar noon 11:35 AM Sunset 5:00 PM Daylight 10 h 51 min Night 13 h 09 min Civil twilight 5:43 AM – 5:26 PM
Weather in Kosai right now
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Weather data by Open-Meteo, updated every 30 minutes.
Kosai and its neighbours
Postal codes
- 417-0062
- 981-2401
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 Shizuoka
Other places named Kosai
Same time zone — Asia/Tokyo
Nearby places
- Shirasuka — 2.8 km
- Washizu — 3.1 km
- Hamana — 3.1 km
- Minamidai — 3.2 km
- Kosai-Shi — 3.4 km
- Ekiminami — 3.9 km
Time and daylight in Kosai
Sunrise for Kosai today is set at 6:09 AM, sunset at 5:00 PM. Daylight covers 10 h 51 min.
Shirasuka and Hamana, both nearby, hold the same time as Kosai.
Kosai contains 2 postal codes.
People in Kosai keep Asia/Tokyo, a zone offset of UTC+9. Seasonal time change: No.
Questions and answers
- What time zone applies in Kosai?
- In Kosai, the applicable time zone is Asia/Tokyo, with an offset of +9.
- Does Kosai keep the same offset year round, or does it use daylight saving?
- Daylight saving time in Kosai: No.
- When does light arrive in Kosai?
- Light arrives at 6:09 AM.