heliacal

adj. of or pertaining to or happening near the sun

Adjective
1. 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)"
(synonym) heliac
(pertainym) sun

(a.)
Emerging from the light of the sun, or passing into it; rising or setting at the same, or nearly the same, time as the sun.
  

adj.
heliacal
آفتاب کي روشني سے نکلنے والا

heliacal /hi:'laiəkəl/
tính từ, (thiên văn học) (thuộc) mặt trời gần mặt trời
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