Messiah’s Calendar

Messiah’s Calendar is a calendar proposal that has 20 months of 18 days each grouped into 4 seasons, where the last month of a season is longer: It usually has 19 days, but the last month of winter has 20 days in common and 21 days in leap years. The seasons are roughly aligned to the solstices and equinoxes, with the year (and spring) beginning on the Northern vernal equinox (i.e. around Gregorian 20 March).

Months in Messiah‘s Calendar

Spring		Summer		Fall		Winter
Month	Days	Month	Days	Month	Days	Month	Days
Unum	18	Sisum	18	Ununum	18	Unsisum	18
Doyum	18	Heptum	18	Undoyum	18	Unheptum	18
Sayum	18	Oktum	18	Unsayum	18	Unoktum	18
Karum	18	Nonum	18	Unkarum	18	Unnonum	18
Pentum	19	Tenum	19	Unpentum	19	Lentum	20 (21)

Week

The calendar uses a 5-day week called penteh which is not aligned with months or seasons, i.e. the calendar is not perennial. The days of the week are called

1. Festday
2. Fterday
3. Firdday
4. Fothday
5. Freeday

Every Freeday and the whole pentehs containing a solstice or equinox are considered public holidays.

Time

The day is divided into 20 hours, i.e. 1 Messiah hour is 12 minutes longer than a normal hour. Each Messiah hour contains 100 Messiah minutes of 100 Messiah seconds each, 125 of these seconds equal 54 normal seconds, 2.3(148):1, so a Messiah minute is 43.2 SI seconds or 0.72 minutes long.

Source

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