What time is it in Koyama, Yamagata, Japan
The present local time in Koyama, Yamagata, Japan is given below, for the Asia/Tokyo time zone (+9).
Koyama, Japan
Saturday, 31 October 2026
UTC+9 · Asia/Tokyo
Local time in Koyama
UTC+9 · no daylight saving time
Koyama keeps Asia/Tokyo clock_time.
The sun today
Sunrise 6:05 AM Solar noon 11:24 AM Sunset 4:44 PM Daylight 10 h 38 min Night 13 h 22 min Civil twilight 5:38 AM – 5:11 PM
Weather in Koyama right now
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Weather data by Open-Meteo, updated every 30 minutes.
Koyama and its neighbours
Postal codes
- 142-0062
- 142-8558
- 176-0022
- 203-0051
- 252-5225
- 252-5250
- 252-5280
- 252-5286
- 258-0002
- 271-0093
- 300-1276
- 302-0122
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 Yamagata
Other places named Koyama
- Koyama Nzérékoré Region, Guinea
- Koyama Aomori, Japan
- Koyama Hyōgo, Japan
- Koyama Kagoshima, Japan
- Koyama Kanagawa, Japan
Same time zone — Asia/Tokyo
Nearby places
- Soyagata — 1.0 km
- Nishimurayama-Gun — 2.8 km
- Mizugadoro — 3.4 km
- Nishikawa Machi — 3.7 km
- Mizusawa — 5.1 km
- Hara — 5.6 km
About the time in Koyama
Today's sun rises in Koyama at 6:05 AM, then sets at 4:44 PM. The day offers 10 h 38 min of daylight.
Koyama shares one clock with the nearby places Soyagata and Nishimurayama-Gun.
The postal system lists 12 codes for Koyama.
Local time in Koyama is governed by Asia/Tokyo at UTC+9. Daylight saving observed: No.
Questions and answers
- What time zone should be selected for Koyama?
- Select Asia/Tokyo for Koyama; the offset is +9.
- What time zone rules apply in Koyama — does the clock change for daylight saving time?
- Daylight saving time in Koyama: No.
- How early does the sun rise in Koyama?
- The first sunlight comes at 6:05 AM.