Sun, Moon, and Stars: April 2001
Updated February 21, 2017 | Factmonster Staff 
Sun, Moon & Stars
Movement of the heavenly bodies: April 2001
Movement of the heavenly bodies: April 2001
| Celestial links · Visibility of the Planets · Sunrise/Sunset, Moonrise/Moonset · Equinoxes and Solstices · Eclipses in 2001 · Astronomical terms · Calendar 2001 | Visit the Astronomy Center for more on the universe, the solar system, and related astronomical phenomena |
April Calendar
| Moon Phase | Day | Phenomenon | Hour (UT) | Hour (EST) |
 | 1 | FIRST QUARTER | 1100 | 6 am |
 | 5 | The Moon is at its perigee, or closest point to Earth in its monthly orbit. | 1000 | 5 am |
 | 6 | Mercury is 10 degrees south of Venus. | 2100 | 4 pm |
 | 8 | FULL MOON | 0300 | 10 pm (April 9) |
 | 10 | Pallas, the second-largest asteroid, appears to be motionless in the sky as its apparent direct motion changes to backward, or retrograde, motion. | 0200 | 9 pm (April 9) |
 | 13 | Mars is 1 degree 3 minutes south of the Moon. | 0200 | 9 pm (April 12) |
 | 15 | Ceres, the largest asteroid, is 0 degrees 9 minutes south of the Moon. The asteroid is occulted, or hidden from view, by the Moon. | 0400 | 11 pm (April 14) |
| 15 | LAST QUARTER | 1600 | 11 am |
 | 16 | Jupiter is 5 degrees north of Aldebaran. | 1400 | 9 am |
| 16 | Neptune is 3 degrees north of the Moon. | 1600 | 11 am |
 | 17 | The Moon is at its apogee, or farthest point from Earth in its monthly orbit. | 0600 | 1 am |
| 17 | Venus appears to be motionless in the sky as its apparent backward, or retrograde, motion changes back to direct motion. | 1700 | 12 noon |
| 17 | Uranus is 3 degrees north of the Moon. | 2300 | 6 pm |
 | 20 | Venus is 10 degrees north of the Moon. | 2000 | 3 pm |
| 23 | Mercury is in superior conjunction, that is, Mercury and Earth are aligned on opposite sides of the Sun. | 0900 | 4 am |
 | 23 | NEW MOON | 1500 | 10 am |
 | 25 | Saturn is 1 degree 4 minutes north of the Moon. | 1600 | 11 am |
 | 26 | Jupiter is 1 degree 8 minutes north of the Moon. | 1300 | 8 am |
 | 30 | The asteroid Juno is in conjunction with the Sun, that is, Juno and Earth are aligned on opposite sides of the Sun. | 0200 | 9 pm (April 29) |
| 30 | FIRST QUARTER | 1700 | 12 noon |
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