Calendar Reuse Calculator
How Calendar Reuse Works:
A calendar can be reused when two conditions match: (1) Both years are either leap years or non-leap years, and (2) January 1st falls on the same day of the week in both years.
About This Tool
Find out when you can reuse vintage paper calendars! This calculator helps you:
- Identify the calendar code for any year
- Find upcoming years when that calendar can be reused
- Understand leap year patterns and day-of-week cycling
- Plan ahead for calendar reuse opportunities
- Make use of vintage or collectible calendars
Calendar Code Format: [ST/LY]-[SU/MO/TU/WE/TH/FR/SA]
- ST = Standard (non-leap) year | LY = Leap Year
- Day Code = Day of week that January 1st falls on