To this day they still carry the burden of burning the oak tree in cettinje as a national orthodox Christmas ceremony (see julian calendar).

For further information on the development of the calendar, see Liturgical calendar (Lutheran).

For more details on this topic, see lunar calendar and lunisolar calendar.

See Islamic calendar for more information on the Islamic calendar.

For its current state, see Roman Catholic calendar of saints.

Baibai is usually done in accordance with certain dates of the lunar/solar calendar (see Chinese calendar).

A year is roughly calculated as 360 days; see 360-day calendar.

Markets in Japan followed the Chinese jun (旬) system; see Japanese calendar.

Furthermore, the method used to determine when each Islamic month begins varies from country to country (see Islamic calendar).

The largest market in the town is Eke Awka, named after one of the four market days (see Igbo calendar).