First weekday
Tuesday
Last weekday
Thursday
December 2026 in Japan has 31 days, begins on Tuesday, ends on Thursday, and includes 6 local holidays.
Online calendar
View the full December 2026 calendar for Japan with local holidays, month facts, and quick links to nearby dates.
Japan time
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Japan December 2026 Calendar
First weekday
Tuesday
Last weekday
Thursday
December 2026 in Japan has 31 days, begins on Tuesday, ends on Thursday, and includes 6 local holidays.