Convert date between Gregorian Calendar and Solstice Calendar

Gregorian Calendar

Gregorian Date:
Gregorian Date Day Number (Solstice Calendar)

 

 

Solstice Calendar

Calendar Date

 

Month:
Solstice
Mercury
Venus
Gaia
Luna
Martian
Asteroid
Jupiter
Saturn
Uranus
Neptune
Pluto
Comet
Day:

Dates of the Seasons

Northern Hemisphere Equinox and Solstice Dates Gregorian 13 Moon*
Spring March 19-21 Gaia 5
Summer June 20-22 Asteriod 14
Fall September 21-23 Uranus 23
Winter December 20-23 Comet 29
*Dates of the Seasons don't vary, as the calendar starts the day after the Winter Solstice (December 20-23 Gregorian, but 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 YearsLeap Years

Start the year on January 1: Common YearsLeap Years