Convert date between Gregorian Calendar and Solstice Calendar

Clock Background

Gregorian

Day Number

Solstice

Month	Day

Month	Day

Dates of the Seasons

Northern Hemisphere Equinox and Solstice Dates	Gregorian	13 Moon*
Spring	March 20	Gaia 5
Summer	June 21	Asteriod 14
Fall	September 22	Uranus 23
Winter	December 21	Comet 29

*Dates of the Seasons don't vary, as the calendar starts the day after the Winter Solstice (Although the date ranges from the December 20-23, December 21, the day it usually falls on, is used in this calculator. The Solstice is always Comet 29 on the Solstice Calendar)

Information About the Calendar

Solstice Calendar (Ends the year on the Winter Solstice, Starts year December 22)

CAL13 FIXED CALENDAR The calendar has 13 months of 28 days. It has two varieties:

Starts the year on the Winter Solstice, December 21: Common Years, Leap Years

Start the year on January 1: Common Years, Leap Years