epagomenal

These so-called epagomenal days were undoubtedly introduced at a very early period.

A History of Science: in Five Volumes. Volume I: The Beginnings of Science 1904

Just to contribute my share of pedantry to the thread, I thought I'd note that such outside-the-calendar intervals are called epagomenal days.

The Volokh Conspiracy 2008

Osirian cycle were born during the epagomenal day (cf.p. 247 of this History), and the allusions to the Osirian legend which are met with in the Pyramid texts, prove that the days were added long before the time when those inscriptions were cut.

History Of Egypt, Chaldæa, Syria, Babylonia, and Assyria, Volume 1 (of 12) M. L. McClure 1881

As the wording of the texts often comes down from prehistoric times, it is most likely that the invention of the epagomenal days is anterior to the first Thinite and Memphite dynasties.

History Of Egypt, Chaldæa, Syria, Babylonia, and Assyria, Volume 1 (of 12) M. L. McClure 1881

Perhaps we are to view the epagomenal days as signifying

Red Ice Creations 2008

B.C.), the Babylonians were able to calculate astronomical events with considerable accuracy, and to reconcile the solar and lunar years by the use of epagomenal months.

The Babylonian Legends of the Creation 1895

They intercalated, therefore, after the twelfth month of each year and before the first day of the ensuing year, five epagomenal days, which they termed the "five days over and above the year." [

History Of Egypt, Chaldæa, Syria, Babylonia, and Assyria, Volume 1 (of 12) M. L. McClure 1881

*] * There appears to be a tendency among Egyptologists now to doubt the existence, under the Ancient Empire, of the five epagomenal days, and as a fact they are nowhere to be found expressly mentioned; but we know that the five gods of the

History Of Egypt, Chaldæa, Syria, Babylonia, and Assyria, Volume 1 (of 12) M. L. McClure 1881