A simple and convenient tool to convert dates from the Julian calendar to the Gregorian and vice versa, as well as the chronology of ancient Russian art in.

- Translation of dates of the Julian calendar (the "old style") in the Gregorian ("new style") and vice versa;
- Translation of the Old Russian chronology of dates ("creation of the world") in the current ("birth of Christ") and vice versa;
- To switch the setting of chronology provided beginning of the year: September 1 or March 1, conversion is performed based on the setting;
- The app is completely free and contains no advertising.