Synonyms of heliacal

Adjective

1. heliacal, heliac

usage: pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun; "the heliacal rising of the Dog Star"; "the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)"

Definition and meaning of heliacal (Dictionary)