Category:Calendars

This second level category is about systems for fixing the beginning, length, and divisions of a year, and arranging days and longer divisions of time such as weeks and months in a definite order.

This category is not about histories, or account books.

A
Age Gage

This site will give you major events on the day that a person was born, married, died, etc.

http://www.frontiernet.net/~cdm/age1bd.html

B
Birth Date Calculator. Compute birth date from date and age at death.

E
Easter calculator

https://wiki.familysearch.org/en/Easter_Sunday_Calculator

T
Time and Dates for events by year. Find the day someone was born and what day a holiday or other event falls on within that year.

http://www.timeanddate.com/calendar/

U
USA OnLine Calendar  And many other countries.