Hora Atual em Osaka, Japão — JST.

Osaka is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third-most populous city in Japan, following the special wards of Tokyo and Yokohama. With an estimated population of 2,816,247 as of October 1, 2025 and a population density of about 12,505 people per square kilometer, it is the largest component of the Keihanshin Metropolitan Area, the second-largest metropolitan area in Japan and the 10th-largest urban area in the world with more than 19 million inhabitants.

Distance-wise, Osaka is closest to Tokyo (~393 km), Singapore (~4,951 km), Dubai (~7,602 km); São Paulo is the far end at roughly 18,759 km. That ordering matters more than the timezone label for travel planning.

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

Around Osaka, the nearest mapped reference cities are Moriguchi (7 km), Suita (8 km), Higashiosaka (8 km), Amagasaki (8 km); treat them as the de-facto regional cluster for JST planning.

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

Closest curated airport references from Osaka: ITM Osaka (11 km), UKB Kobe (26 km), KIX Osaka (38 km).