Probably Gb4-13 should be read as 413 = 14 * 29½, for instance alluding to (or even referring to) the day number for FEBRUARY 17.

Counting by the Moon instead of according to the Sun - which would come natural for a people living in or close to the tropical belt - the primary cardinal points should not be at the solstices.

Instead of contemplating the points of death at the extremes of the year a more balanced world view should be used, a world view adapted to the central home of us living creatures, where births and deaths happen all the time.

472 (= 16 * 29½) - 365 = 107 (April 17) - cfr Gb4-8 - could be alluded to at Gb4-17 (where 4-17 could express the date April 17). Here there is a hipu (fresh water container). At the time of Bharani (the place for birth) this was day 360 after 0h. In the corresponding C glyph a fist in front is raised high upwards towards the sky, meaning nothing there has yet been counted - to be contrasted with the fresh water not yet consumed, not yet gulped down.

At the opposite side of the year - in October 25 respectively in "September 14 (*177) - Fomalhaut (the Mouth of the Southern Fish) had been culminating at midnight. 177 (= 6 * 29½) + 183 = 360.

Precession had moved the Sun earlier and earlier in the year and ca 91 * 71 = 6461 years after the beginning of the great cycle of the asterisms they would have moved from their inital places a quarter ahead. No longer did Fomalhaut rise heliacally just after the solstice, at the time of 'splashing water' (hi'uwai).

... In the deep night before the image [of Lono] is first seen, there is a Makahiki ceremony called 'splashing-water' (hi'uwai). Kepelino tells of sacred chiefs being carried to the water where the people in their finery are bathing; in the excitement created by the beauty of their attire, 'one person was attracted to another, and the result', says this convert to Catholicism, 'was by no means good'. At dawn, when the people emerged from their amorous sport, there standing on the beach was the image of Lono. White tapa cloth and skins of the ka'upu bird hang from the horizontal bar of the tall crosspiece image. The ka'upu is almost certainly the albatross, a migratory bird that appears in the western Hawaiian chain - the white Lanyon albatross at Ni'ihau Island - to breed and lay eggs in October-November, or the beginning of the Makahiki season ...

DECEMBER 29 (363) - (71 - 64) = 356 = 355 (solstice) + 1:

DECEMBER 28	29	30 (364)	31 (*285)	JANUARY 1
Gb2-27 (π)	Gb2-28 (54)	Gb2-29 (284)	Gb2-30	Gb2-31
ι Cephei (346.0), λ Aquarii, γ Piscis Austrini, σ Pegasi (346.5)	SCHEAT AQUARII =  δ Aquarii (347.0), ρ Pegasi (347.2), δ Piscis Austrini (347.4), FOMALHAUT (Mouth of the Fish) = α Piscis Austrini, τ Gruis (347.8)	FUM AL SAMAKAH (Mouth of the Fish) = β Piscium (348.3), ζ Gruis (348.5), ο ANDROMEDAE (348.9)	Al Fargh al Mukdim-24 / Purva Bhādrapadā-26 / House-13 SCHEAT PEGASI = β Pegasi, π Piscis Austrini (349.3), κ Gruis (349.4), MARKAB PEGASI = α Pegasi (349.5)	23h (350.0) υ, θ Gruis (350.0), π Cephei (350.6), ι Gruis (350.9)
March 2	3	4	5 (64)	6 (*350)
°February 26	27	28	°March 1 (60)	2 (*346)
'February 3	4 (35)	5 (*321)	6	7
"January 20	21	22	23	24 (*309)
NAKSHATRA DATES:
JUNE 28	29 (*100)	SIRIUS	JULY 1 (182)	2
ν Hydrae (163.1)	no star listed (164) ALTAIR (α Aquilae)	Wings-27 η Oct. (165.4), ALKES = α Crateris (165.6)	ANA-TIPU-4 (Upper-side-pillar - where the guards stood) MERAK = β Ursae Majoris (166.2), DUBHE = α Ursae Majoris (166.7)	11h (167.4) χ Leonis, χ¹ Hydrae (167.1), χ² Hydrae (167.3)
August 31	September 1 (*164)	2 (245)	3 (182 + 64)	4 (*350 + 183 - 366)
°August 27	28	29 (*161)	30 (242)	31
'August 4 (216)	'August 5	6	7	8 (*140)
"July 21	22 / 7 (π)	23 (204)	24 (*125)	25
Ga4-16	Ga4-17 (100)	Ga4-18	Ga4-19	Ga4-20

At the time of Bharani the Sun Eagle, represented by Altair (α Aquilae), would have culminated at midnight at the π date "July 22 (written as 22 / 7). This we can compare with Rei in Ga4-17 (100). Glyph 100 corresponded to right ascension day *100 at the time of the Bull. At the other side of the year the Sun had reached Fomalhaut. 363 (DECEMBER 29) was 183 (= 366 / 2) days later than JUNE 29 (180).

'The flood that ended the last Creation' could have come 64 precessional days before the time of rongorongo. 91 - 64 = 27 and in Roman times the Sun would have reached Fomalhaut in 'February 4 (400 = 35 + 365). However, the accumulated evidence points rather at the time of Bharani as the place of origin:

DECEMBER 7	8	9	10 (*264)	11 (345)	12
Gb2-6	Gb2-7	Gb2-8	Gb2-9 (35)	Gb2-10	Gb2-11 (266)
BUNDA (Foundation) / KAKKAB NAMMAΧ (Star of Mighty Destiny)					θ Piscis Austrini (330.1), λ Oct. (330.7)
Al Sa'd al Su'ud-22 / Emptiness-11 TSIN = 36 Capricorni (325.2), ALPHIRK = β Cephei (325.7), SADALSUD = β Aquarii, ξ Gruis (325.9)	no star listed (326)	CASTRA = ε Capricorni (327.2), BUNDA = ξ Aquarii (327.5) SIRIUS (α Canis Majoris)	Mahar sha hi-na Shahū-26 (Western One in the Tail of the Goat) NASHIRA = γ Capricorni (328.0), ν Oct. (328.3),  AZELFAFAGE = π¹ Cygni, κ Capricorni (328.7)	Arkat sha hi-na Shahū-27 (Eastern One in the Tail of the Goat) ENIF = ε Pegasi, ERAKIS = μ Cephei (329.2), 46 CAPRICORNI, JIH (the Sun) = κ Pegasi (329.3), ι Piscis Austrini (329.4), λ Capricorni (329.6), ν Cephei (329.7), DENEB ALGIEDI =  δ Capricorni (329.8)
February 9 (40)	10	11 (407 = 42 + 365)	12	13	All Hearts' Day
°February 5	6	7	8 (*324)	9 (40)	10
'January 13 (378)	14	15 (*300)	16	17	18 (383)
"December 30	31	"January 1	2	3 (368)	4
NAKSHATRA DATES:
JUNE 7 (*78)	8	9	10 (161)	11	12
The Knot (Ukdah)				Rishu A.-13 (Head of the Lion) ψ Leonis (146.4), RAS ELASET AUSTRALIS = ε Leonis (146.6)	VATHORZ PRIOR = υ Carinae (147.9)
Star-25 / ANA-HEU-HEU-PO-5 (Pillar where debates were held) ALPHARD = α Hydrae (142.3), ω Leonis (142.6), τ¹ Hydrae (142.7)	Al Tarf-7 (The End) ψ Velorum (143.3), ALTERF = λ Leonis, τ² Hydrae (143.4), ξ Leonis (143.5)	A Hydrae (144.1) VEGA (α Lyrae)	UKDAH = ι Hydrae (145.4), κ Hydrae (145.5), SUBRA = ο Leonis (145.8)
August 10	11	12	13 (*145)	14	15 (227)
°August 6	7	8 (220)	9	10	11 (*143)
'July 14	15	16	17 (*118)	18	19 (200)
SIRIUS	"July 1	2	3 (*104)	4	5 (186)
Ga3-19 (78)	Ga3-20	Ga3-21	Ga3-22	Ga3-23	Ga3-24

 

DECEMBER 28 (*282)	54	FEBRUARY 21 (*337)
Ca13-4 (347)		Cb1-10 (402)
March 2 (61 = *347 + 80 - 366)		April 26 (*36 = 402 - 366)
Gb2-27 (53 = 282 - 229)		Gb4-17 (108 = 337 - 229)
"January 20 (*305)		"March 16 (*360)