The path of the Sun lies entirely in the northern half of the sky for the period from the March Equinox to the September Equinox and is entirely in the southern half of the sky from the September Equinox to the March Equinox, with the Sun passing directly overhead at noon on the equinoxes.
42.
The path of the Sun lies entirely in the northern half of the sky for the period from the March Equinox to the September Equinox and is entirely in the southern half of the sky from the September Equinox to the March Equinox, with the Sun passing directly overhead at noon on the equinoxes.
43.
Using the oversimplified definition, there was an equinox on March 20, 2009, 11 : 44 : 43.6 TT . The 2010 March equinox was March 20, 17 : 33 : 18.1 TT, which gives a duration of 365 days 5 hours 48 minutes 34.5 seconds . ( Astronomical Applications Dept ., 2009 ) While the Sun moves, H & moves in the opposite direction.
