Page "Soviet calendar" Paragraph 28

The Gregorian calendar was implemented in Russia on by dropping the Julian dates of pursuant to a Sovnarkom decree signed ( Julian ) by Vladimir Lenin.

The decree required that the Julian date was to be written in parentheses after the Gregorian date until All surviving examples of physical calendars from show the irregular month lengths of the Gregorian calendar ( such as those displayed here ).

Most calendars displayed all the days of a Gregorian year as a grid with seven rows or columns for the traditional seven-day week with Sunday first.