The Becker Calendar at a Glance

Year Published 1994
Days per Week 7
Days per Month 35
Months per Year 19
Base Year Length 668
Leap Days 1
Leap Day Position mid-year
Basic Intercalation Formula 4x668 + 6x669
Extended Intercalation Formula
(\ denotes integer division)
(Y-1)\2 + Y\10 + (Y-66)\100 + (Y-32)\200
Mean Length of Calendar Year 668.615
Base Astronomical Year Winter Solstice
Accuracy 52 years
Cycle of Perpetuity 35 days
Mean LS of Beginning of Year 270.0
Year Count Start 1
Epoch (CE) 0 Aug 2
Epoch (JD) 1721272
19-Month Naming Convention Solar system mythological Days
intercalary day Mars 1
1st Month Ra 35
2nd Month Hermes 35
3rd Month Ishtar 35
4th Month Gaea 35
5th Month (Part 1) Selene 26
intercalary day Phobos 1
5th Month (Part 2) Selene 9
6th Month Nergal 35
7th Month Ceres 35
8th Month Zeus 35
9th Month Io 35
10th Month (Part 1) Europa 17
intercalary day Horos 0-1
10th Month (Part 2) Europa 18
11th Month Ganymede 35
12th Month Callisto 35
13th Month Ninib 35
14th Month Titan 35
15th Month (Part 1) Muse 9
intercalary day Deimos 1
15th Month (Part 2) Muse 26
16th Month Poseidon 35
17th Month Triton 35
18th Month Dis 35
19th Month Universe 35
7-day Naming Convention English
1st Day Sunday
2nd Day Monday
3rd Day Tuesday
4th Day Wednesday
5th Day Thursday
6th Day Friday
7th Day Saturday

Notes:

This is one of several 19-month calendars.

Document A Thought for the Future
William H. Becker
Calendar Calendar
Martian Time

Martian Time

Martian Time Survey

Martian Time Survey 2.2