Valid names for the equinoxes?

Vernal equinox, autumnal equinox, march equinox, September equinox, northward equinox and southward equinox are the names for the equinoxes.

Explanation:

There are different names which are named depending on the month of the year when these equinox occurs and depends upon direction of motion of the sun. Equinox is a point where day time and night time have exactly equal length of time.

Equinox occurs twice in a year and this occurs when earth's equator passes through the sun. We can say that equinox occurs when the sun’s center is directly above the equator.

b. lifting dumbbell weight at 20-degree angle from the body after a 45-degree angle