1.
national holiday, public holiday
An official day off designated by the government.
2.
festival day
A day on which a festival or celebration is held.
祭日 refers to national holidays or festival days.
TERMS FOR HOLIDAYS:
COMMON EXPRESSIONS:
JAPANESE NATIONAL HOLIDAYS:
- 元日: New Year's Day (Jan 1)
- 成人の日: Coming of Age Day
- 建国記念の日: National Foundation Day
- 春分の日: Vernal Equinox Day
- 昭和の日: Showa Day
- 憲法記念日: Constitution Day
NOTE: 祝日 is more commonly used in modern Japanese than 祭日.