There was a week from October 10, when the Sun had reached to the beginning of Mons Menalus (perhaps equal to Ahuone, 'earth heaped up'), to October 17 (71 reversed) when Sheratan was close to the Full Moon:
From the beginning of side b, from April 17 (107) and heliacal Al Sheratain, to the night of October 16 (289), when Polaris and Baten Kaitos were close to the Full Moon, there were 182 days, half a year. Puo ('covered up') in Ca1-5 was followed by tagata honui and te ika, probably alluding to Aquarius and the Southern Fish (Great One and Fish). From puo in Ca1-5 to vero in Cb8-6 there were 569 - 5 = 564 glyphs. From tagata honui in Ca1-6 to tagata honui in Cb8-7 there were 570 - 6 = 564 glyphs. From March 26 (Ca1-5) to October 10 there were 283 - 85 = 198 (= 564 - 366) days. There were 107 days from 289 (October 16) to glyph number 290 (Cb12-16) at heliacal μ Aquarii (closely after ε at the beginning of his towel):
 In rongorongo times Albali (ε Aquarii) was at RA day 314 (= January 29). Together with μ and ν Albali formed the 21 manzil Al Sa’d al Bula' (Good fortune of the Swallower). According to the picture of Hevelius above the beginning of the towel indeed looks capable of swallowing. This place of swallowing is more in the domain of Capricornus than in that of Aquarius.
The last 2 months on side b - beginning with February 1 - were evidently different. ... From the natives of South Island [of New Zealand] White [John] heard a quaint myth which concerns the calendar and its bearing on the sweet potato crop. Whare-patari, who is credited with introducing the year of twelve months into New Zealand, had a staff with twelve notches on it. He went on a visit to some people called Rua-roa (Long pit) who were famous round about for their extensive knowledge. They inquired of Whare how many months the year had according to his reckoning. He showed them the staff with its twelve notches, one for each month. They replied: 'We are in error since we have but ten months. Are we wrong in lifting our crop of kumara (sweet potato) in the eighth month?' Whare-patari answered: 'You are wrong. Leave them until the tenth month. Know you not that there are two odd feathers in a bird's tail? Likewise there are two odd months in the year.' The grateful tribe of Rua-roa adopted Whare's advice and found the sweet potato crop greatly improved as the result ... The Maori further accounted for the twelve months by calling attention to the fact that there are twelve feathers in the tail of the huia bird and twelve in the choker or bunch of white feathers which adorns the neck of the parson bird. But the heliacal beginning of Aquarius was not at February 1 but 3 days earlier, 314 days after March 21. Neither did February 1 nor January 29 coincide with Land's End at Nunki, in January 3:
The length of the 'Sea' (472 - 368 = 104 nights) can therefore be subdivided by the glyphs as follows:
Aquarius did not begin until 25 nights after the beginning of the 'Sea', and January 4 - January 31 were 4 weeks between 'Land' and the beginning of the final ('tail') months of the agricultural year. Possibly the design of the odd Rei in Cb12-17 is meant to refer to these odd final months. Turning the 'canoe' a quarter around we can see its 'tail' at left:
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