Heliacal rising of Ngauponi, i . e . appearance of the Pleiades by the horizon over an hour before the Sun approximately 12 days before the winter solstice, announced " we tripantu ".
32.
The coincidence of very warm temperatures in the early civilizations in North Africa and the Near East with the rising, at sunrise ( i . e ., the heliacal rising ), of Romans.
33.
The Moon's heliacal rising ( a . k . a . the new moon ) often determines the start of a month in a lunar calendar, which may have religious or political significance.
34.
Because the Eye of Ra is associated with the star Sothis, whose heliacal rising signaled the start of the Nile flood, the return of the Eye goddess to Egypt coincides with the life-giving inundation.
35.
The heliacal rising of the next decan star marked the start of a new civil week, which was then 10 days . The period from sunset to sunrise was marked by 18 decan stars.
36.
In Egypt the star Sirius had significance since every 1460 years ( the Sothic cycle ) its heliacal rising ( just before sunrise ) marked the Egyptian new year and the inundation of the Nile.
37.
It has been suggested that this may be related to the fact that the Egyptians regulated their year by the heliacal rising of the star Sirius, a phenomenon which occurs in the morning just before dawn.
38.
Sirius, known in ancient Egypt as " Sopdet " ( their calendar on the heliacal rising of Sirius, the day it becomes visible just before sunrise after moving far enough away from the glare of the Sun.
39.
Many stories exist where the heliacal rising or setting of stars or constellations are used to tell Aboriginal Australians when it's time to move to a new place and / or look for a new food source.
40.
A fairly exact chronology of the Twelfth dynasty of Egypt was established based on clues left behind based on their references to astronomical events such as the heliacal rising of Sirius and to phases of the moon.
