The Compton Calendar at a Glance

Year Published 1966
Days per Week undefined
Days per Month 52-58
Months per Year 12
Base Year Length 687
Leap Days undefined
Leap Day Position end of 2nd month (of 12)
Basic Intercalation Formula undefined
Extended Intercalation Formula
(\ denotes integer division)
undefined
Mean Length of Calendar Year undefined
Base Astronomical Year undefined
Accuracy <1 year
Cycle of Perpetuity undefined
Mean LS of Beginning of Year undefined
Year Count Start undefined
Epoch (CE) undefined
Epoch (JD) undefined
12-Month Naming Convention Anglicized Roman Days
1st Month January 58
2nd Month February
52-53
3rd Month March 58
4th Month April 57
5th Month May 58
6th Month June 57
7th Month July 58
8th Month August 58
9th Month September 57
10th Month October 58
11th Month November 57
12th Month December 58

Notes:

  1. The calendar is mistakenly based on the number of Earth days in a Martian year.

  2. This is one of several Symmetric Gregorian Martian calendars, which generally have the following characteristics:

  3. Other types of 12-month calendars are:

Document Excerpts from Farewell Earth's Bliss
D. G. Compton
Calendar Calendar
Martian Time

Martian Time

Martian Time Survey

Martian Time Survey 2.2