What time zone is Kosai in?

Kosai currently uses Japan Standard Time (JST). Its IANA time zone is Asia/Tokyo.

Current Time in Kosai, Kosai Shi, Shizuoka, Japan

5:44:23 PM

17:44:23

Friday, October 9, 2026

JST (Japan Standard Time) · UTC+09:00

Asia/Tokyo

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Time zone details

Kosai does not observe daylight saving time in 2026

Daylight in Kosai

Sunrise5:50 AMSolar noon11:37 AMSunset5:23 PM

Clock change statusNo clock changes are scheduled for Kosai in the next 12 monthsView schedule Weather nowLoading current forecast…Forecast details

Location facts

Place

Country: Japan
Administrative area: Shizuoka
District: Kosai Shi
Place type: City or town
Country currency: Japanese Yen (JPY)

Practical

Languages: Japanese
Dialing code: +81
Population: 59,770
Elevation: Approximately 30 m (DEM estimate)

Geography

Geographic coordinates: 34° 42' N / 137° 31' E

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Clock changes in Kosai

2026

No clock or time-zone designation changes in 2026

Future clock changes, 2027–2030

Clock changes worldwide

Sun & Moon details

Sunrise: 5:50 AM
Solar noon: 11:37 AM
Sunset: 5:23 PM
Daylight duration: 11 hr 33 min2 min 8 sec shorter than the previous day

Civil twilight: 5:25 AM – 5:48 PM
Nautical twilight: 4:55 AM – 6:18 PM
Astronomical twilight: 4:26 AM – 6:47 PM

New MoonMoon illumination3%

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Friday, October 9, 2026

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Sun

Sunrise: 5:50 AM (east, 96.9°)
Sunset: 5:23 PM (west, 262.9°)
Day length: 11 hr 33 min2 min 8 sec shorter than the previous day
Solar noon: 11:37 AM (49.1° altitude)

Civil twilight

Dawn to dusk: 5:25 AM – 5:48 PM

Additional twilight

Nautical dawn to dusk: 4:55 AM – 6:18 PM
Astronomical dawn to dusk: 4:26 AM – 6:47 PM

Moon

Phase: New Moon (3% illuminated)
Moonrise: 4:08 AM (east, 88.9°)
Moonset: 4:25 PM (west, 267.2°)
Previous principal phase: Third Quarter — Saturday, October 3, 2026 at 10:25 PM
Next principal phase: New Moon — Sunday, October 11, 2026 at 12:50 AM

Seven-day daylight outlook

Sunrise, sunset, and daylight for seven local dates
Local date	Sunrise	Sunset	Day length	Daily change
Friday, October 9	5:50 AM	5:23 PM	11 hr 33 min	2 min 8 sec shorter than the previous day
Saturday, October 10	5:51 AM	5:22 PM	11 hr 31 min	2 min 7 sec shorter than the previous day
Sunday, October 11	5:51 AM	5:21 PM	11 hr 29 min	2 min 7 sec shorter than the previous day
Monday, October 12	5:52 AM	5:19 PM	11 hr 27 min	2 min 7 sec shorter than the previous day
Tuesday, October 13	5:53 AM	5:18 PM	11 hr 25 min	2 min 6 sec shorter than the previous day
Wednesday, October 14	5:54 AM	5:17 PM	11 hr 23 min	2 min 6 sec shorter than the previous day
Thursday, October 15	5:55 AM	5:15 PM	11 hr 21 min	2 min 6 sec shorter than the previous day

Weather forecast for Kosai

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Plan around Kosai

Upcoming national public holidays in Japan

Mon, Oct 12, 2026Sports Day
Tue, Nov 3, 2026Culture Day
Mon, Nov 23, 2026Labor Thanksgiving Day

Frequently asked questions

What time zone is Kosai in?: Kosai currently uses Japan Standard Time (JST). Its IANA time zone is Asia/Tokyo.
When is the next clock change in Kosai?: No clock changes are scheduled for Kosai in the next 12 months
Does Kosai observe daylight saving time?: Kosai does not observe daylight saving time in 2026
What is the UTC offset in Kosai right now?: Kosai is currently UTC+09:00