They made him offerings on the day Toh, one of the days of their 20-day calendar cycle.

Treecats did not put on and shed winter coats on a regular calendar cycle.

They are said to have disagreed about the calendar cycles whereby the dating of Easter was fixed each year.

Planning for strategic systems is not defined by calendar cycles or routine reporting.

In that capacity, he officially adopted the rabbinical 19-year calendar cycle for use by Karaites clergy.

The date is the end of the Mayan calendar cycle, which is notable in Maya mythology.

We're in uncharted waters because we've never seen a race this engaged so early in a calendar cycle.

Every 52 years on a given date the Nahuas re-enacted their much-hallowed fire ceremony in anticipation of initiating another calendar cycle.

The oldest Lithuanian folk songs are those that accompany the celebrations and rituals of the calendar cycle.

The Church of Rome continued to use an 84-year lunisolar calendar cycle from the late 3rd century until 457.