KosaiJapan
Current time in Kosai, Japan
Tuesday, 1 September 2026
Japan Standard TimeUTC+09:00
⛶ Full-screen clockKosai time at a glance
- Country
- Japan
- Location
- City in Shizuoka
- Time zone
Asia/Tokyo- UTC offset now
UTC+09:00- Current zone label
- GMT+9
- Next clock change
- No upcoming change available
Weather now
Weather in Kosai
Conditions near Kosai and a 3-day forecast. Local conditions can differ across large urban areas, mountains and coastlines.
Sunny
- Feels like
- 32°C
- Humidity
- 59%
- Wind
- 18.7 km/h SE
- Recent precipitation
- 0 mm
3-day forecast
- Sunny25°C to 30°C17% chance of precipitationWind up to 19.8 km/h
- Overcast24°C to 31°C12% chance of precipitationWind up to 16.2 km/h
- Light rain shower22°C to 26°C89% chance of precipitationWind up to 10.1 km/h
Forecast valid from 12:00 local time. Updated 2026-09-01T03:12:30.888Z; refresh due by 2026-09-01T03:27:30.888Z.
Time-zone identity for Kosai
- IANA zone
Asia/Tokyo- UTC offset now
- UTC+09:00
- Current zone label
- GMT+9
- Clock-change status
- No UTC offset change was found in the next 370 days.
Kosai is currently 9 hours ahead of UTC. The named zone, rather than the offset alone, should be used for future dates.
Clock changes in Kosai
370-day checked horizon
No UTC offset change was found through Monday, 6 September 2027 in runtime time-zone data 2026b.
Time-zone history
UTC offset changes for Kosai
A bounded record of offset transitions calculated for Asia/Tokyo, covering 2021 through 2031. Events are offset changes; their legal or daylight-saving cause is not inferred.
Previous 5 years
No UTC offset transition was found in the previous 5 years.
Next 5 years
No UTC offset transition was found in the next 5 years.
Dates are calculated from IANA time-zone rules. The calculation checks for offset changes throughout the displayed period and resolves each change to the nearest second.
Location context
About Kosai
Location details for Kosai in Shizuoka, Japan.
- Administrative area
- Shizuoka, Japan
- Population
- 59,770
- Coordinates
- 34.7005° N, 137.5225° E. The elevation is 30 metres.
Nearby city clocks
Cities near Kosai
Nearby cities are ordered by approximate straight-line distance from Kosai. Times are calculated for the same instant shown above.
- AraiShizuoka, Japan4.5 km southeast
Asia/TokyoSame local time - HamamatsuShizuoka, Japan19 km east
Asia/TokyoSame local time - HamakitaShizuoka, Japan26 km northeast
Asia/TokyoSame local time - IwataShizuoka, Japan30 km east
Asia/TokyoSame local time - FukuroiShizuoka, Japan36 km east
Asia/TokyoSame local time - MoriShizuoka, Japan40 km east
Asia/TokyoSame local time
Sources for Kosai time and city facts
Time-zone calculations use runtime tzdb 2026b. Weather and astronomy sources include their own retrieval times where available.
View 4 sources
- GeoNames cities15000GeoNames · 2026-07-15_01-57-51-849 · CC BY 4.0 · AccessedCity and country names, administrative area, coordinates and population.
- IANA Time Zone DatabaseInternet Assigned Numbers Authority · 2026b · Public domain · AccessedTime-zone names, UTC offsets and clock changes.
- Unicode Common Locale Data RepositoryUnicode Consortium · 48.0 · Unicode License v3 · AccessedEnglish display names for countries, currencies and languages.
- Weather and Geolocation APIWeatherAPI.com · Forecast API v1; free plan · WeatherAPI.com terms; commercial and non-commercial use permitted by plan · AccessedCurrent weather conditions, the next 24 hours and a three-day forecast.