Gregorian Business Software

NaturCalendar

Natur Software

Classic Calendar. Powerful Reminder. World's Holidays. Intuitive Scheduler. Simply the Easiest Way to Organize!

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Easy Date Converter

Hermetic Systems

Does date arithmetic (adds a number of days to a date and calculates the number of days between two dates) and converts among Gregorian dates, Julian dates, Annus Novus dates, Julian day numbers and day-in-year dates of the form yyyyddd.

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