The Potassium Calendar at a Glance

Year Published 2002
Days per Week 7
Days per Month 35
Months per Year 19
Base Year Length 668
Leap Days 1
Leap Day Position end of year
Basic Intercalation Formula 4x668 + 6x669
Extended Intercalation Formula
(\ denotes integer division)		 (Y-1)\2 + Y\10 - Y\100
Mean Length of Calendar Year 668.59
Base Astronomical Year Option 1: Winter Solstice
Option 2: Autumnal Equinox
Accuracy Option 1: 172 years
Option 2: 250 years
Cycle of Perpetuity 35 days
Mean LS of Beginning of Year Option 1: 270.0
Option 2: 180.0
Year Count Start undefined
Epoch (CE) undefined
Epoch (JD) undefined
19-Month Naming Convention Chemical elements Days
1st Month Hydrogen 35
2nd Month Helium 35
3rd Month Lithium 35
4th Month Beryllium 35
5th Month Boron 35
6th Month Carbon 35
7th Month Nitrogen 35
8th Month Oxygen 35
9th Month Fluorine 35
10th Month Neon 35
11th Month Sodium 35
12th Month Magnesium 35
13th Month Aluminum 35
14th Month Silicon 35
15th Month Phosphorus 35
16th Month Sulphur 35
17th Month Chlorine 35
18th Month Argon 35
19th Month Potassium 35
intercalary days Year End 3-4
7-day Naming Convention Planetary + "Sol"
1st Day Sunsol
2nd Day Mercsol
3rd Day Venusol
4th Day Earthsol
5th Day Marsol
6th Day Jovsol
7th Day Satsol

Note:

This is one of several 19-month calendars.

  Document Elemental Martian Calendars
Terry Phelan
Summary Calendar The Chromium Calendar
  calendar The Potassium Calendar Option 1
  calendar The Potassium Calendar Option 2
Summary calendar The Vanadium Calendar
Summary calendar The Titanium Calendar
  Martian Time

Martian Time

  Martian Time Survey

Martian Time Survey 2.2