March is the month that marks the beginning of spring. This month see the moon with the beauty of Venus just after sunset.
This astronomical calendar document is mainly translated from the Seasky website, in addition to many reputable scientific websites such as Earthsky, NASA, Time & Date, etc. converted to Vietnamese time.
Note: The time used in the article has been converted to Vietnamese time
March 6 – Mercury is at its western maximum ecliptic
Mercury will reach its western ecliptic maximum at 27.3 degrees from the Sun. This is the best time to observe Mercury as it will be highest on the horizon in the morning. Observe the planet low on the eastern horizon just before dawn.
March 14 – New Moon
The Moon and Sun will be on the same side of Earth, making it impossible to see it in the night sky. This phenomenon occurred at 00:23 (Vietnam time). This is the best time of the month to observe low-light objects such as galaxies or star clusters as they will not be affected by moonlight.
March 20 – Spring Equinox
This phenomenon occurred at 23:27 (Vietnam time). The Sun will shine exactly above the Earth’s equator, making the time between day and night roughly equal anywhere in the world. It is also the first day of spring (spring equinox) in the northern hemisphere and the first day of fall (autumn equinox) in the southern hemisphere.
During the vernal equinox, sunlight shines perpendicular to the equator. Photo: Wikipedia
March 20 – Venus reaches its western maximum ecliptic
Venus reaches its maximum westward elongation at 46.6 degrees from the Sun. This is the best time to observe Venus as it will be highest on the horizon in the morning. Observe this bright planet in the eastern sky just before sunrise.
Venus and the Moon in the sky. Photo: planetfacts.org
March 29 – Full Moon
The Moon will be on the side facing the Sun as seen from Earth, and its part facing the Earth will be fully illuminated. This phase takes place at 01:49. Ancient Native American tribes called this full moon full worm moon because this is when the soil becomes porous and the earthworms reappear. This full moon is also known as the Full Raven Moon, Full Crust Moon, Full Sap Moon, And
Lenten Moon.
Super Moon over castle in Spain. Photo: Tomeu Mas
See more 2021 ephemerides here: https://deepsky2000.net/lich-cac-su-kien-thien-van-nam-2021/
The HAS translation team.
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