March 11 - New Moon. The Moon will be directly between the Earth and the Sun and will not be visible from Earth. This phase occurs at 19:51 UTC.
March 20 - March Equinox. The March equinox occurs at 11:02 UTC. The Sun will shine directly on the equator and there will be nearly equal amounts of day and night throughout the world. This is also the first day of spring (vernal equinox) in the northern hemisphere and the first day of fall (autumnal equinox) in the southern hemisphere.
March 27 - Full Moon. The Moon will be directly opposite the Earth from the Sun and will be fully illuminated as seen from Earth. This phase occurs at 09:27 UTC.