The Gangale Mercury Calendars at a Glance

Year Published 2003
Days per Week 7
Days per Month 28
Months per Year Option 1: 12
Option 2: 24
Base Year Length Option 1: 336
Option 2: 672
Leap Days none
Leap Day Position N/A
Basic Intercalation Formula N/A
Extended Intercalation Formula
(\ denotes integer division)
N/A
Mean Length of Calendar Year Option 1: 336
Option 2: 672
Base Astronomical Year Option 1: 4 Sidereal
Option 2: 8 Sidereal
Accuracy undefined
Cycle of Perpetuity 28 days
Mean LS of Beginning of Year 0.0
Year Count Start 0
Epoch (CE) undefined
Epoch (JD) undefined
Naming Conventions Option 1: 12-Month
none
Days Option 2: 24-Month
none
Days
1st Month  
28
 
28
2nd Month  
28
 
28
3rd Month  
28
 
28
4th Month  
28
 
28
5th Month  
28
 
28
6th Month  
28
 
28
7th Month  
28
 
28
8th Month  
28
 
28
9th Month  
28
 
28
10th Month  
28
 
28
11th Month  
28
 
28
12th Month  
28
 
28
13th Month      
28
14th Month      
28
15th Month      
28
16th Month      
28
17th Month      
28
18th Month      
28
19th Month      
28
20th Month      
28
21st Month      
28
22nd Month      
28
23rd Month      
28
24th Month      
28
7-day Naming Conventions none
1st Day  
2nd Day  
3rd Day  
4th Day  
5th Day  
6th Day  
7th Day  

Note: The Mercurian solar day of 175.9385 Earth days is divided into 168 "circads," each of which equal 1.047253 Earth days (25h 8m 2s).


Document

Keeping Time on Mercury
Thomas Gangale

Calendar Option 1
Calendar Option 2
Mercury Time

Mercury Time