1A calendar that can be adjusted to show any combination of day, month, and year, and is therefore usable year after year.
More example sentences
- This kind of calendar is called a perpetual calendar.
- The second face gives the date in the form of a perpetual calendar, with automatic adjustments for leap years.
- Once he repaired one that had more than 400: ‘It was a special edition with a perpetual calendar calculating even the leap years.’
Definition of perpetual calendar in:
- The British & World English dictionary