Registering an exceptional lunar phenomenon in the demoticpapyrus carlsberg 9

الملخص EN

Over the past century, the discussion of Egyptian calendars intensely occupied the minds of Egyptologists.

Portions of texts referring to temple offerings from the reigns of Sahure and Neuserre; and the calendar of feasts from the Old Kingdom appear to be the oldest extant evidence of calendars (el- Sabban, 2000), although no calendars from the Middle Kingdom period have been found, materials in Illahun archive, however, "give some idea of the range of feasts which would have featured in a Middle Kingdom calendar, if any of this kind had survived".

From the Eighteenth Dynasty to the Greco-Roman period, a number of calendar depictions have survived, other than festival calendars.

(Spalinger, 2002)Apart from the complexities of the ancient Egyptian calendars, the article analyzes the double date calendric systemto shed light onan exceptional Lunar phenomenon; the "Blue Moon"(*)that was documented inthe Demoticpapyrus Carlsberg 9.