National Holidays in Japan January 1 (Sun) New Year's Day January 2 (Mon) - 3 (Tue) Bank Holidays January 9 (Mon) Coming-of-Age Day February 11 (Sat) National Foundation Day March 21 (Tue) Vernal Equinox Day April 29 (Sat) Greenery Day May 3 (Wed) Constitution Day May 4 (Thu) Bank Holiday* May 5 (Fri) Children's Day July 17 (Mon) Marine Day September 18 (Mon) Respect-for-the-Aged Day September 23 (Sat) Autumnal Equinox Day October 9 (Mon) Health-Sports Day November 3 (Fri) Culture Day November 23 (Thu) Labor Thanksgiving Day December 23 (Sat) The Emperor's Birthday * A weekday between two national holidays is observed as a bank holiday (May 4). Source: Bank of Japan