Pashaist calendar

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The Pashaist or Terminian calendar is a lunar calendar consisting of 13 months in a year of 355 or 356 days. It is used in most Pashaist countries, sometimes alongside the solar Iovist calendar or other local calendars. It is closely related to the Iovist calendar, and uses the same month names (although they almost never fall at the same time). This can sometimes lead to confusion when dealing with both calendars.

The Pashaist calendar employs the Era of Pasha, usually denoted as PE or AP (Latin: Anno Pashae, "in the year of Pasha"), which counts years starting from the Ascension of Pasha, retrospectively established as the 7th August, 254 CE. The Ascension of Pasha is one of the most important dates in Pashaism, being when Pasha ascended from the mortal realm to the realm of Hosha.

The current Pashaist year is 1816 PE. In the Gregorian calendar, 1816 PE runs from 11 May 2020 to 30 April 2021, 355 days.



A Pashaist month is intended to reflect the sidereal month - that is, the amount of time it takes for the moon to return to a similar position among the stars. The actual length of this period is approximately 27.32 days; on average a Pashaist month is 27⅓ days. This is achieved by inserting a leap month of 28 days every third month, whereas most months are only 27 days long.

Despite this, the length of the average month is approximately 0.01 days too long, which results in a yearly calendar drift of over 3 hours away from the true sidereal month. A solution to this, skipping a leap month every 8 years, has been oft-proposed but has never reached widespread observance.

Due to the fact that the Pashaist year is shorter than the Gregorian year by around 10 days, Pashaist months rarely fall at the same Gregorian equivalent. In fact, this happens only once every 251 years, meaning that the last time the Gregorian equivalents were the same as 1813 PE (2017-2018) was in 1555 PE (1766-1767). The table below gives the Gregorian dates for the previous year, 1813 PE.

No. Name 2017-18 Gregorian equivalents Last year as leap month Next year as leap month
1 Spilia 10 June - 6 July 2017 1811 1814
2 Gioris 7 July - 3 August 2017 (leap) 1813 1816
3 Purtide 4 August - 30 August 2017 1812 1815
4 Manatriden 31 August - 26 September 2017 1811 1814
5 Lukh 27 September - 24 October 2017 (leap) 1813 1816
6 Mirsheikha 25 October - 20 November 2017 1812 1815
7 Bifkines 21 November - 17 December 2017 1811 1814
8 Firiden 18 December 2017 - 14 January 2018 (leap) 1813 1816
9 Khontriden 15 January - 10 February 2018 1812 1815
10 Oniria 11 February - 9 March 2018 1811 1814
11 Tsentoria 10 March - 6 April 2018 (leap) 1813 1816
12 Privendita 7 April - 3 May 2018 1812 1815
13 Viries 4 May - 30 May 2018 1811 1814


A Pashaist year is made up of 13 months: the fact that 13 is a prime number is often said to prevent the splitting up of the year into smaller segments. The Pashaist year is 9 or 10 days shorter than a solar year, meaning that there is a significant amount of seasonal drift - for instance, a person born in summer would celebrate their 18th birthday in winter.

Due to the fact that the 3-month leap cycle and the 13-month year do not line up, sometimes a year has four leap months and sometimes it has five. This means that every third year has 356, instead of 355, days.


Uniquely, a week in the Pashaist calendar is of variable length, being either 7 days or 6 days long. This is done to fit exactly 4 weeks into a month: three seven-day weeks and one six-day week. In a leap month, there are instead four seven-day weeks. The days of the week are normally referred to simply by their numerical value, with the first day being the traditional rest day.



The Pashaist calendar was the sole calendar permitted for official use in the Terminian Empire and later the Three Kingdoms. However, the calendar rarely remained in use after the Terminians left, since the fact it was a lunar calendar and did not align with the seasons made it practically useless for agricultural purposes. To remedy this, Terminia had an extensive system of climatologists (known as Viziers of the Seasons) who would publish extensive calendars in all corners of the empire detailing the climate and agricultural dates for that year. The breakdown of this system during the Terminian Fracture in the 1600s is often cited as one of the reasons for the multiple famines which devastated Terminia during that period.


Today, the Pashaist calendar is used as a primary calendar in most Pashaist countries. However, some nations have chosen to use a different civil calendar alongside it in order to make agriculture easier, observe traditional seasonal celebrations, and align themselves with neighbours. In recent years, Pashaist countries in Ekuosia have introduced weekends based on the Iovist week, in order to facilitate cooperation with the majority of EkU countries.

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