Man in the Moon Mare Cognitum. This particular human face can also be seen in tropical regions on both sides of the equator. However, the Moon orientation associated with the face is observed less frequently—and eventually not at all—as one moves toward the South Pole. Conventionalized illustrations of the Man in the Moon seen in Western art often show a very simple face in the full moon, or a human profile in the crescent moon, corresponding to no actual markings. "The Man in the Moon" can also refer to a mythological character said to live on or in the Moon, but who is not
March equinox about 18 hours 11 minutes "earlier" than the previous year. Balancing the increases of the common years against the losses of the leap years keeps the calendar date of the March equinox from drifting more than one day from 20 March each year. The March equinox may be taken to mark the beginning of spring and the end of winter in the Northern Hemisphere but marks the beginning of autumn and the end of summer in the Southern Hemisphere. In astronomy, the March equinox is the zero point of sidereal time and, consequently, right ascension. It also serves as a