From Christmas Day (359) to January 1 there were 6 (= 366 - 359) days, which number could have been alluded to when the creators of Manuscript E stated that the Royal Double Canoe needed 6 moega (sleeping mats) nights for loading the necessary goods before the Sea journey could begin.

... For six days (po ono), mats (moenga) were taken on board the canoe (i.e., the loading of the canoe took six days) ... (E:74) ... etahi poō no. o te moenga. i too ai ki runga ki te miro ...

Moe. To sleep, to lie at full length, to dream, to brood, to place, to cohabit; moe atu, to leave off, to desist; moe atu ra, to adjourn, to postpone; moe hakahepo, to talk in the deep; moe aherepo, somnambulist, sleepwalker; moe hakataha, to sleep on the side; moe no, to oversleep, concubinage; moe tahae, to be a light sleeper; moe tahaga, a sleeper; moe vaeahatu, moe hakaroa, to sleep sprawling; rava moe, to sleep sound; ariga moe ki raro, to lie flat on the ground; tae moe, bachelor; hakamoe, to brood, to fold the wings; to reserve, to lay up; to struggle. P Pau.: moe, sleep. Mgv.: moe, sleep, to lie down, coitus, to shut the eyes. Mq.: moe, to sleep, to lie down; haámoe, to set down on the ground. Ta.: moe, to sleep, to lie down. Moea raruga, lying flat. Moeaivi, thin. Mq.: ivi, haáivi, id. Ta.: ivi, id. Moega, mat. Pau.: moehega, bed. Mgv.: moega, a sleeping mat. Mq.: moena, moeka, mat, floor cloth, bed. Ta.: moea, bed. Moemata, to sleep with the eyes open; mea moemata, phantom. Moemoea, a dream, vision; tikeahaga moemoea, apparition by night. T Mgv., Mq., Ta.: moemoea, dream. Churchill. Mgv. Moemoe, to steal, to purloin at a food distribution. Mq.: moemoe, to seize, to grasp. Churchill. Ta.: 1.  Moemoe, ambush. Ha.: moemoe, id. 2. Moemoe, Phyllanthus simplex. To.: mohemohe, a tree. Churchill. Mq.: Moehu, exiled, banished, prisoner of war. Ma.: morehu, a survivor. Churchill.

Thus a 'mirror' seems to have been placed between July and August. And maybe this structure was a slight adaptation of an earlier one:

... There came in reply a second message from the oracle - 'for this very reason is thy life brought so quickly to a close - thou hast not done as it behoved thee. Egypt was fated to suffer affliction one hundred and fifty years - the two kings who preceded thee upon the throne understood this - thou hast not understood it'. Mycerinus, when this answer reached him, perceiving that his doom was fixed, had lamps prepared, which he lighted every day at eventime, and feasted and enjoyed himself unceasingly both day and night, moving about in the marsh-country and the woods, and visiting all the places he heard were agreeable sojourns. His wish was to prove the oracle false, by turning night into days and so living twelve years in the space of six ...