a calendar devised to be used for many years, as in determining the day of the week on which a given date falls.
a desk calendar with months, days, and dates that can be changed, as by adjusting various dials, so that it may be used over and over for many years.
Why Do We Have Leap Year?Even though the standard calendar year is 365 days, the Earth actually takes 365 days 5 hours 48 minutes and 46 seconds to go completely around the sun. (This is called a solar year.) In order to keep the calendar cycle synchronized with the seasons, one extra day is (usually) added every four years as February 29th. The Julian calendar (established by Julius Caesar in …
Lunar New YearRead more in this article about some frequently asked questions and fun facts related to our definitions.
- perpetual adoration,
- perpetual check,
- perpetual debenture,
- perpetual inventory,
- perpetual motion,
- perpetual-motion machine
Origin of perpetual calendar
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019