朔

first day of the second month

synodic month

first day of the month (in the lunar calendar)

ceremony where the Emperor would inspect the records of attendance and absence of officials

Hassaku orange (Citrus hassaku)

beginning of the month or the year

1st day of the 4th month of the lunisolar calendar

north wind

first and fifteenth days of the lunar month (corresponding to new moon and full moon)

spring tide

last and first days of the month

new moon