Happy New Year! It’s January First, 2015, and you probably have a new calendar. Calendars tend to be irregular, weird, and uneven, but some folks have attempted to smooth that out throughout history.

Below is the Soviet Calendar. Workers were assigned colors, and based on the color assigned to you, that would be your day off.

Related Links:

Read about the Soviet Calendar on History Today (login required)

Convert Gregorian dates into French Republican dates here.

The current time and date according to the Hanke-Henry Permanent Calendar.

Scientific American on the Hanke-Henry Permanent Calendar.

An overview of the Symmetry454 Calendar.