This document outlines a calendar system where the year is counted backwards from December 31st to January 1st. It lists each month of the year in reverse order, showing the number of days in each month, the running total of days in the year so far expressed as a fraction of 365, and the date of the midpoint of each month.

1. Calendar Backwards Regular Year
1 January – 31 days 334/365 days MidMonthJanuary 15th
2 February –28 days 306/365 days (inleapyearsit’s305/366 days) MidMonth February15th
(actual 28.25 days;29 days inleapyears(every4 years))
3 March—31 days 275/365 days MidMonthMarch 15th
4 April—30days 245/365 days MidMonth April 15th
5 May—31 days 214/365 days MidMonthMay 15th
6 June—30days 184/365 days MidMonth June 15th
7 July—31days 153/365 days MidMonthJuly15th
8 August-31days 122/365 days MidMonth August15th
9 September—30days 92/365 days MidMonth September15th
10 October—31days 61/365 days MidMonthOctober15th
11 November—30days 31/365 days MidMonthNovember15th
12 December—31days 0/365 days MidMonthDecember15th