Eternal disk calendar based on historical example | Hemisferium

On which day did your birthday fall, or on which weekday will Christmas be in three years? A perpetual calendar gives you the answer without a phone. With this disc calendar from Hemisferium, you set the rotation discs to which weekday a date falls, year after year again.

Such calendars were already being made long before you could find them on your phone in a few seconds. Hemisferium makes replicas of historical scientific instruments, and this calendar fits into that line: an object for your desk that you actually use.

A gift for anyone who loves timekeeping and old instruments. If the recipient also follows the moon, then it will suit them. The historical lunar calendar with tide calculation Here you go. The sculpture pieces of this month can be seen in our lunar calendar.