The solar calendar kept to the tradition of 12 months, however.

Several solar calendars have a year containing 365 days.

A solar calendar shows the earth's position compared to the sun.

This is the only event in Judaism that uses the solar calendar.

After two years, the difference will have accumulated to 22: the start of lunar months fall 11 days earlier in the solar calendar each year.

This is the price for a regular fit to the solar calendar.

This suggests that some activities of the ancient civilization were regulated by a solar calendar.

It is a bridging of the lunar and solar calendars.

For heathens who use a solar calendar, the date would fall on the first of February.

The Mayan solar calendar is but one part of a three-calendar system.