Osa in numbers
- Coordinates
- 53.3872, 103.8770
- Population
- 4 454
- Region
- Irkutsk Oblast
- Country
- Russia, Europe
- Capital
- Moscow — 4114 km away
- Same name
- 33 more places in the world share this name
On this page you will find the exact local time in Osa, Irkutsk Oblast, Russia, in the Asia/Irkutsk time zone (+8).
Osa, Russia
Saturday, 14 November 2026
UTC+8 · Asia/Irkutsk
Local time in Osa
UTC+8 · no daylight saving time
Osa keeps Asia/Irkutsk clock_time.
Sunrise 8:28 AM Solar noon 12:50 PM Sunset 5:12 PM Daylight 8 h 44 min Night 15 h 16 min Civil twilight 7:49 AM – 5:51 PM
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Weather data by Open-Meteo, updated every 30 minutes.
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.
3 postal codes are current for Osa.
Osa observes Asia/Irkutsk time, currently expressed as UTC+8. Daylight saving time here: No.
Osa gets its sunrise at 8:28 AM and its sunset at 5:12 PM today. Daylight lasts a full 8 h 44 min.
Neighbouring Zaglik and Kharay keep the same hours as Osa.