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What time is it in Koian, Kumamoto, Japan

This page shows the time of day in Koian, Kumamoto, Japan as it stands now, in the Asia/Tokyo zone (+9).

Koian, Japan

7:10:30 AM

Sunday, 25 October 2026

UTC+9 · Asia/Tokyo

Local time in Koian

UTC+9 · no daylight saving time

What the clock shows right now in Koian.

The sun today

Sunrise 6:28 AM Solar noon 12:00 PM Sunset 5:33 PM Daylight 11 h 05 min Night 12 h 55 min Civil twilight 6:02 AM – 5:58 PM

Weather in Koian right now

Loading the current weather…

Weather data by Open-Meteo, updated every 30 minutes.

Koian and its neighbours

Koian at 33.0022, 131.2370 with the nearest towns within 21.5 km · open in OpenStreetMap

Postal codes

878-0256 Kubo(1449-Banchi) — 8.4 km away
878-0152 Shimoshitochi — 8.4 km away
878-0153 Ichimochi — 8.4 km away
878-0154 Kawadoko — 8.4 km away
878-0155 Shitochi — 8.4 km away
878-0156 Kubo(Sonota) — 8.4 km away
878-0161 Kamisakada — 8.4 km away
878-0162 Sumikamado — 8.4 km away
878-0163 Kamihata — 8.4 km away
878-0164 Kariono — 8.4 km away
878-0201 Kujumachi Kuju — 8.4 km away
878-0202 Kujumachi Ariuji — 8.4 km away

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.

Koian in numbers

Coordinates: 33.0022, 131.2370
Region: Kumamoto
Country: Japan, Asia
Capital: Tokyo — 831 km away
Same name: 1 more places in the world share this name

Largest cities in Kumamoto

Kumamoto 738 907
Koto 543 730
Honmachi 123 067
Amakusa 83 082
Tamana 64 292
Koshi 61 772

Other places named Koian

Koian Trøndelag, Norway

Same time zone — Asia/Tokyo

Tokyo Japan
Yokohama Japan
Osaka Japan
Nagoya Japan
Sapporo Japan
Fukuoka Japan

Nearby places

Kuraji — 19.9 km
Matsuriba — 20.0 km
Mizukami — 20.1 km
Osaki — 20.3 km
Inoue — 20.4 km
Imamura — 20.5 km

About the time in Koian

Close to Koian, the towns of Kuraji and Matsuriba show the same time.

The register holds 12 postal codes for Koian.

Clocks in Koian follow Asia/Tokyo, an offset of UTC+9 from Coordinated Universal Time. Daylight saving time here: No.

At Koian the sun clears the horizon at 6:28 AM and sinks again at 5:33 PM. The gap between them is 11 h 05 min.

Questions and answers

What time zone corresponds to Koian?: Asia/Tokyo corresponds to Koian and has an offset of +9.
Does the clock in Koian stay the same all year?: Daylight saving time in Koian: No.
What are sunrise and sunset in Koian today?: Sunrise 6:28 AM, sunset 5:33 PM.