Early August 11.p.m. / Late August 10.p.m. / Early September 9.p.m. / Late September Dusk.
Then every time equator and then Cygnus ,so ease that whenever the position and the data ( September 2.013 ) , this be right to study so fine the matter of Venus around the earht and that how was happened with the rain.( At lasth a normal variable for every equation).