Hora Atual em Rumoi, Japão — JST.

Rumoi is a city in Rumoi Subprefecture, Hokkaido, Japan. As of 31 January 2025, the city had an estimated population of 18,132 in 10519 households, and a population density of 61 people per km2. The total area of the city is 297.81 km2 (114.99 sq mi). There are several theories about the origin of the name, which comes from the Ainu word for the Rumoi River. The word "rur-mo-ot-pe," means "a river with calm, constant tides," or "a river with deep tides," and this theory has been adopted by the city.

From Rumoi the nearest of our reference hubs are Tokyo (~934 km), Singapore (~6,026 km), Dubai (~7,820 km), while São Paulo sits about 17,626 km away — useful framing when someone needs a feel for whether a meeting is a regional hop or an intercontinental call.

Rumoi sits inside Japão — the Eastern Asia subregion, capital Tokyo, languages Japanese, currency JPY (¥).

Fukagawa (41 km), Takikawa (47 km), Sunagawa (54 km), Asahikawa (61 km) are the nearest cities WorldClockTools indexes around Rumoi — that's the cluster to use when scheduling spills past the city limits.

Upcoming country holiday signals around Rumoi: Shōwa Day, Constitution Memorial Day, Greenery Day. Bake those into launch, on-call, and travel windows for Japão.

Closest curated airport references from Rumoi: CTS Sapporo (129 km), SDJ Natori (647 km), KIJ Niigata (698 km).