Calendars are based on the succession of days and nights, punctuated by the waxing and waning of the moon and by the rhythms of the seasons.
(Calendars; are based; on the succession of days and nights) (the succession of days and nights; punctuated; by the waxing and waning of the moon and by the rhythms of the seasons)
Calendars the succession of days and nights
are based punctuated
on the succession of days and nights
by the waxing and waning of the moon and by the rhythms of the seasons