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7. Is it possible to integrate the star pillar structure with the henua calendar in G? If we begin with Sirrah at the border between 'land' and 'water' (according to the pictures in the sky roof, cfr at The Woman in Chains), then we are looking at the situation north of the equator at spring equinox in the age of Pisces. Nowadays 'land' in the sky is beginning where spring is beginning, it can be said. This explains why the right ascension of Sirrah is quite close to zero. 00h 06m corresponds to day number 6 / 4 = day 1½ of a year which is beginning at spring equinox north of the equator.

South of the equator Sirrah is day 1 beyond autumn equinox and Antares is at the beginning of summer 250 days beyond autumn equinox:

North of the equator South of the equator
spring equinox 80 (89) 0 autumn equinox (266) 0
Sirrah 81 (90) 1 Sirrah (267) 1
summer solstice 172 (181) 92 winter solstice (358) 92
autumn equinox 266 (275) 186 spring equinox (87 = 358 + 266 - 172 - 365) 186
Antares 330 (339) 250 Antares (151) 250
winter solstice 356 (365) 276 summer solstice (177) 276
day numbers within parentheses are counted from winter solstice
autumn equinox 0 winter solstice 92 spring equinox 186
Sirrah 1 1 Sirius 102 13 Spica (3) 204 24
Polaris (10) 28 27 Procyon (7) 116 14 Arcturus (6) 216 12
Alcyone 57 29 Alphard (5) 143 27 Toliman 222 6
Aldebaran (2) 69 12 Dubhe (4) 168 25 Antares (1) 250 28
Rigel 79 10 Phaed (9) 180 12 summer solstice 276
Alnilam 85 6
Betelgeuze (8) 89 4

If someone on Easter Island had wished to assure himself of what time it was in the year he could go out in the night to observe the full moon against the background of the sky roof (cfr at Camp 5). If for instance he observed that moon was close Sirrah it must mean Sun was at the antipodal position, close to spring equinox. Thus the time of the solar year must be around spring equinox. If he observed the full moon was positioned close to Aldebaran it meant Sun was close to Antares, which meant summer would soon arrive.

These observations must be done in the night. Night corresponds to other phenomena with absent or scarce sun light - winter, water, etc. But to make such correspondences work perfectly the observer must imagine himself located north of the equator. Then Antares would not announce the arrival of summer but the arrival of winter ('night', 'water'), and the sky roof pictures would fit because beyond Antares would come a stretch of time where the path of Sun (the ecliptic) would be submerged below the Milky Way.