What Calendar Did Russia Use Until February 2025 In Usa Calendar. When peter the great became tsar, the russians were using a calendar that was largely julian but that was also. Russian holidays, week number, date picker, today's date, days to go calculator, date range picker, copy date to the windows clipboard.

He did this to keep in step with the rest of the world. Complete list of 2025 public holidays and observances in russia.