Japan uses Japan Standard Time (UTC+09:00) nationwide and does not observe daylight saving.
Tokyo, Osaka, and the rest of the country share Asia/Tokyo. Business hours are therefore consistent domestically. International meetings with Europe or the Americas need seasonal checks only on the remote side.
Japan uses Asia/Tokyo. Current offset: UTC+09:00.
Japan does not currently observe daylight saving time on the zones listed here.
Open a major city page such as those listed on this country page, or search for the city name. Each city has a canonical URL under /time/japan/.