The SCDTL Calendar at a Glance

Year Published 2001
Days per Week 7
Days per Month 55-56
Months per Year 12
Base Year Length 687
Leap Days undefined
Leap Day Position undefined
Basic Intercalation Formula undefined
Extended Intercalation Formula
(\ denotes integer division)
undefined
Mean Length of Calendar Year undefined
Base Astronomical Year Winter Solstice
Accuracy <1 year
Cycle of Perpetuity undefined
Mean LS of Beginning of Year 270.0
Year Count Start undefined
Epoch (CE) undefined
Epoch (JD) undefined
12-Month Naming Convention undefined Days
1st Month   56
2nd Month   56
3rd Month   55
4th Month   56
5th Month   56
6th Month   55
7th Month   56
8th Month   56
9th Month   55
10th Month   56
11th Month   56
12th Month   55
7-day Naming Convention undefined
1st Day  
2nd Day  
3rd Day  
4th Day  
5th Day  
6th Day  
7th Day  

Notes:

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

  2. Other types of 12-month calendars are:

Document SCDTL Calendar and Clock for Mars
Lance Latham
Martian Time

Martian Time

Martian Time Survey

Martian Time Survey 2.2