solar cycle
Sign in to save28-year cycle of the Julian calendar
Connections
leap year
Entity
Sunday
Entity
time
Entity
February 29
Entity
week
Entity
Gregorian calendar
Entity
International Standard Book Number
Entity
Julian calendar
Entity
lunar calendar
Entity
common year
Entity
Cambridge University Press
Entity
Friday the 13th
Entity
modulo operation
Entity
dominical letter
Entity
Doomsday rule
Entity
Birkat Hachama
Entity