Time Now in Kosai, Japan 🇯🇵
Lat/Long: 34.7° N, 137.52° E
Elevation: 30 m above sea level
Population rank: #378 of 1,336 cities in Japan by population
Prefecture: Shizuoka
IANA Timezone: Asia/Tokyo
Solar time: clocks run about 10m behind the sun
Timezone: JST
Daylight Saving Time: No ❌
Standard Timezone Abbreviations used in Japan: JST
Clocks in Kosai are set to UTC+09:00 under the Asia/Tokyo zone. There is no daylight-saving shift here; the offset stays fixed year-round. Day and night are close to even today, with about 12 hours of daylight. Kosai sits far enough from the equator to feel a clear, if moderate, change of seasons. Its elevation is a gentle 30 m. The closest large city is Tokyo, about 222 km away. Modest in size, Kosai still needs an exact local time for planning across borders.
Kosai gets 12h 28m of daylight today, with sunrise at 05:31 and sunset at 18:00.
Time & Daylight in Kosai
Daylight Hours in Kosai
Kosai gets 12h 29m of daylight today. Sunrise in Kosai is at 05:31 and sunset in Kosai is at 18:00.
Daylight ranges from about 9h 49m near the December solstice to 14h 29m near the June solstice.
Time Difference Between Kosai and Major Cities
Live local time and the difference from Kosai right now.
Other Cities in Japan with Local Time
Cities Sharing Kosai's Time Zone (UTC+09:00)
These major cities are at the same UTC offset as Kosai.
Weather in Kosai
Tools to Plan Meetings
Prayer Times in Kosai
| Date | Fajr | Sunrise | Dhuhr | Asr | Maghrib | Isha |
|---|---|---|---|---|---|---|
| Sun, 13 Sep ● | 04:02 | 05:30 | 11:46 | 15:18 | 18:01 | 19:31 |
| Mon, 14 Sep | 04:03 | 05:31 | 11:45 | 15:17 | 17:59 | 19:29 |
| Tue, 15 Sep | 04:04 | 05:32 | 11:45 | 15:17 | 17:58 | 19:28 |
| Wed, 16 Sep | 04:05 | 05:33 | 11:45 | 15:16 | 17:57 | 19:27 |
| Thu, 17 Sep | 04:06 | 05:33 | 11:44 | 15:15 | 17:55 | 19:25 |
| Fri, 18 Sep | 04:07 | 05:34 | 11:44 | 15:14 | 17:54 | 19:24 |
| Sat, 19 Sep | 04:08 | 05:35 | 11:43 | 15:13 | 17:52 | 19:22 |
14-day Forecast for Kosai
Sunrise & Sunset Times for Kosai
Sunrise
in Kosai
↑
5:31 AM
Sunset
in Kosai
↓
6:00 PM
Day Length
12h 28m
Dawn
in Kosai
5:05 AM
Dusk
in Kosai
6:25 PM
Moon Phases & Times for Kosai
Current Phase
Waxing Crescent
Illumination
3.6%
Next Moonrise
↑
Today, 07:27
Next Moonset
↓
Today, 18:50
Distances & Clock Changes in Kosai
How Far Is Kosai From Other Major Cities?
| City | Distance | Direction |
|---|---|---|
| Tokyo | 222 km | ENE (60deg) |
| Hong Kong | 2,654 km | WSW (245deg) |
| Singapore | 5,092 km | SW (231deg) |
| Mumbai | 6,532 km | W (273deg) |
| Moscow | 7,448 km | NW (323deg) |
| Sydney | 7,757 km | SSE (168deg) |
| Dubai | 7,779 km | WNW (287deg) |
| Los Angeles | 9,040 km | NE (54deg) |
Kosai's Antipode: The Opposite Side of the Earth
Dig straight through the Earth from Kosai and you would surface in the open ocean, near 34.7deg S, 42.5deg W.
Frequently Asked Questions about Kosai
What time is it in Kosai right now?
The current local time in Kosai is 05:36 on Sunday, September 13, 2026. Kosai follows the Asia/Tokyo time zone.
What time zone is Kosai in?
Kosai uses the Asia/Tokyo IANA time zone (UTC+09:00). This zone covers the city and surrounding region year-round, with automatic adjustments during daylight saving when applicable.
How many hours ahead or behind UTC is Kosai?
Is Kosai on daylight saving time right now?
No — Kosai is not currently observing daylight saving time as of September 13, 2026.
What time is sunrise and sunset in Kosai today?
In Kosai today the sun rises at 05:31 and sets at 18:00, giving 12h 28m of daylight.
What moon phase is visible over Kosai tonight?
Over Kosai tonight the moon shows a Waxing Crescent phase at 3.6% illumination.
What is solar time in Kosai?
Solar time follows the Sun's actual position, with solar noon when the Sun is highest in the sky. In Kosai, clocks run about 10m behind local solar time, because the official time zone does not exactly match the Sun's position.