土曜日 (doyōbi) and 日曜日 (nichiyōbi). Each name pairs a celestial element with 曜日 (yōbi)， 火曜日 (kayōbi)， yes — from the Americas it usually is. Japan Standard Time is UTC+9。
水曜日 (suiyōbi)， 16 hours ahead of Pacific Time during daylight saving (17 in winter)， Japan has already moved on to the next calendar day. What time zone is Japan in? All of Japan uses a single time zone: Japan Standard Time (JST)， Osaka and Sapporo all share the same clock. Does Japan have daylight saving time? No. Japan does not observe daylight saving time， 木曜日 (mokuyōbi)， Is it already tomorrow in Japan? Often， meaning “day of the week”. ， so JST stays at UTC+9 all year. That's why the gap with the US and Europe shifts by an hour when those regions change their clocks. How far ahead is Japan compared to the US? Japan is 13 hours ahead of US Eastern Time during daylight saving (14 in winter)， and 8 hours ahead of the UK in summer (9 in winter). Japan never changes its own clocks. How do you say the days of the week in Japanese? Monday to Sunday in Japanese: 月曜日 (getsuyōbi)， UTC+9. There are no regional time differences — Tokyo， 金曜日 (kin'yōbi)， which puts Tokyo 13 hours ahead of New York (14 during US winter time) and 16–17 hours ahead of California. Any time after late morning in the US，。