Question

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

its a pretty hard riddle i just solved it so

Answer 1

Hey!!!!

_____

That's indeed hard but I solved it

The answer is the letter "e"
or
alphabet "e"

It appears first in Earth and twice in week and always once in ab year and doesn't appear in months but appears be February.

Hope this helps ✌️

Good Night :)

Answer 2

alphabet ...e....
according to me....