A table listing some of the Astronomical Phenomena for April 2016:
Phenomena April
| 5 | Moon passes 2 degrees north of Neptune mag +8.0 (1 UT) |
| 5 | Saturn's moon Iapetus is at greatest western elongation mag +10.1 (8 UT) |
| 5 | Mercury is at perihelion 0.308 AU (approx. 46.1 million kms or 28.6 million miles) from the Sun (17 UT) |
| 6 | Moon passes 0.7 degrees north of Venus mag -3.8, daytime occultation viewing not recommended due to closeness of the Sun (8:30 UT) |
| 7 | New Moon (11:24 UT) |
| 7 | Moon is at perigee 357,167 km or 221,933 miles from Earth (17:29 UT) |
| 8 | Moon passes 5 degrees south of Mercury mag -1.0 (11 UT) |
| 9 | Moon passes 0.02 degrees north of Vesta mag +8.4, occultation is visible from Indonesia, Malaysia, NW Australia, Philippines, Micronesia, Hawaii (3:42 UT) |
| 9 | Uranus is in conjunction with the Sun (21 UT) |
| 10 | Moon passes 0.3 degrees north of Aldebaran mag +0.9, occultation is visible from USA, Hawaii, South Canada (22:27 UT) |
| 12 | Dwarf planet Haumea mag +17.2 is at opposition in Boötes distance 49.8 AU from the Earth (3 UT) |
| 14 | First quarter Moon (4:00 UT) |
| 14 | Moon passes 11 degrees south of Pollux mag +1.1 (5 UT) |
| 17 | Moon passes 3 degrees south of Regulus mag +1.4 (1 UT) |
| 17 | Mars mag -1.0 is stationary in Ophiuchus afterwards begins retrograde motion (2 UT) |
| 18 | Moon passes 2 degrees south of Jupiter mag -2.3 (5 UT) |
| 18 | Pluto mag +14.2 is stationary in Sagittarius afterwards begins retrograde motion (13 UT) |
| 18 | Mercury mag 0.0 is at greatest elongation east 19.9 degrees (14 UT). |
| 21 | Moon passes 5 degrees north of Spica mag +1.0 (8 UT) |
| 21 | Moon is at apogee 406,350 km or 252,494 miles from Earth (15:49 UT) |
| 22 | Lyrids meteor shower peaks ZHR = 20 (5 UT) |
| 22 | Full Moon (5:24 UT) |
| 22 | Venus mag -3.9 passes 0.9 degrees south of Uranus mag +5.9 (14 UT) |
| 25 | Moon passes 5 degrees north of Mars mag -1.3 (4 UT) |
| 25 | Moon passes 10 degrees north of Antares mag +1.0 (6 UT) |
| 25 | Moon passes 3 degrees north of Saturn mag +0.3 (19 UT) |
| 27 | Asteroid (3) Juno mag +10.0 is at opposition in Virgo |
| 27 | Mars mag -1.4 passes 5 degrees north of Antares mag +1.0 (14 UT) |
| 28 | Mercury mag +2.1 passes 3 degrees south of open cluster M45 The Pleiades (8 UT) |
| 29 | Mercury mag +2.4 is stationary in Aries afterwards begins retrograde motion (4 UT) |
| 30 | Last quarter Moon (3:29 UT) |