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Tastigon Calendar

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The Tastigon Calendar is the calendar used in the Kencyrath books.


The Tastigon Calendar seems common across Rathillien. In the first book, it seems to be the calendar of Tai-tastigon, and is introduced in an appendix, where it's called the "Tastigon Calendar".[1] However in later books, it is seen being used by the Kencyrath in the Riverland as well. Additionally, the Tastigon Calendar does not match up directly with the solstices and equinoxes, which the Merikit use. In To Ride a Rathorn, Kindrie speaks of the Tastigon Calendar as if it were a Kencyr creation,[2] making the calendar's origins thoroughly unclear.[3]


A year in the Tastigon Calendar consists of a 361 days, usually called 360 days, as the the very existence of the Feast of Fools is secret. The year is split up into four seasons: Autumn and Spring have 60 days; Summer and Winter have 120 days.[1]

New Year's EveEdit

A full year consists of 361 days, and yet only 360 days are ever shown on calendars. The 361st day is located between Winter 120 (the last day of the old year) and Spring 1 (the first day of the new year). In God Stalk, Jame calls it a leap-day,[4] implying that it's an intercalary day. This day belongs to neither season, and neither year. In Tai-tastigon, this day is celebrated as the Feast of Fools, and at Tentir in the Riverland, as the Day of Misrule, which is a similar celebration.


Months are also sometimes mentioned, but as a unit of time,[5][6] but not as a fixtures of the calendar. Rathillien has one moon, which has lunar cycles of 40 days.[7]

Seeing as an official Tastigon year has 360 days, this could divide neatly into 9 months,[8] of 40 days each. The 361st day makes this imperfect, however, with the phases of the moon being 1 day different each year.


Seven-day weeks are also used in the Tastigon calendar.[9]


The first and last days of the seasons are common across Rathillien, though most are only celebrated mildly. The first day of each season is that season's day, and the preceding day is that season's eve.

Tastigon HolidaysEdit

Kencyr HolidaysEdit

Merikit HolidaysEdit


  1. 1.0 1.1 God Stalk, "Appendix II: The Tastigon Calendar"
  2. To Ride a Rathorn, "Chapter XVI: Midsummer's Eve", I — " 'The solstice comes, what, six days after our Midsummer? You'd think our ancestors would have paid more attention to Rathillien's calendar, but we always have tried to impose our own systems on any threshold world where we happen to land.' "
  3. The Sea of Time, "Chapter XIV: Winter Solstice" — "The winter solstice occurred five days later. The Kencyrath didn’t pay much attention to it, trusting rather to its own imposed dates such as Midwinter,"
  4. God Stalk, Book II: Crown of Nights, "Chapter 7: The Feast of Fools" — "waiting for midnight and the Feast of Fools, that annual leap-day no calendar ever showed for fear the gods would discover its existence and spoil the fun."
  5. Bound in Blood, "Chapter VIII: Glass of a Different Color", I — "Nonetheless, here Marc was, trying to repair the damage Jame had done all those months ago."
  6. Seeker's Mask, "Part V: Mount Alban", II — "It wouldn't even catch fire unless exposed to hot coals for several months,"
  7. Dark of the Moon, "Chapter 7: A Rage of Rathorns" — "from the planet's surface up into the orbit of its single moon. […] But, in the meantime, for five nights out of every forty-day lunar cycle, the moon was dark,"
  8. Honor's Paradox, "Chapter II: Winter Solstice", I — "The Kencyrath went through something similar nine times a year, according to the lunar cycle—five nights with little or no light, made darker by the fear that the moon had been swallowed by the Shadows and would never return,"
  9. To Ride a Rathorn, "Chapter XIII: Blood and Ivory", I — "This would be the third day of the hunt, and the seventh in the college's weekly rotation, meaning no classes."

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