Equation of Time
7:09
A HORIZONTAL SUNDIAL
26:40
Lecture: Seasons, daylight hours, solar zenith angle
11:11
Determine Longitude
25:17
Astronomical Coordinates
6:48
THE EQUATION OF TIME
9:28
Earth's motion around the Sun, not as simple as I thought
18:41
Tropical vs Sidereal Zodiac
16:55