旧暦
the lunar calendar
旧暦、太陰暦
the old calendar―the lunar calendar
新暦と旧暦
the lunar calendar
the new calendar―the solar calendar
the solar calendar
The lunar calendar and the solar calendar
a 'Bon' festival which is held according to the lunar calendar
having a day or month inserted to make the calendar year correspond to the solar year:
April of the lunar calendar, which corresponds to May in the solar calendar