December 2026 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

18 sky events total, including 5 moon phases and 0 planetary events.

Daily Sky Events

All times are in local time (Asia/Shanghai)

Group Date Sunrise/Sunset Moonrise/Moonset Moon Phase Sky Events

Planetary outlook

December 2026 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
Constellation: Sagittarius
Angular diameter: 4.8"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 16h47m11s
Declination: -22°30'15"

Venus

Excellent
Apparent magnitude: -4.8
Constellation: Scorpius
Angular diameter: 31.7"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Right ascension: 14h25m39s
Declination: -11°27'29"

Mars

Excellent
Apparent magnitude: 0.2
Constellation: Virgo
Angular diameter: 8.9"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 10h37m03s
Declination: +11°39'11"

Jupiter

Excellent
Apparent magnitude: -2.3
Constellation: Leo
Angular diameter: 40.9"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Right ascension: 09h58m07s
Declination: +13°18'48"

Saturn

Excellent
Apparent magnitude: 0.7
Constellation: Aries
Angular diameter: 18.2"
Status: near western quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 00h33m10s
Declination: +00°49'42"

Uranus

Fair
Apparent magnitude: 5.6
Constellation: Gemini
Angular diameter: 3.8"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Right ascension: 04h03m30s
Declination: +20°35'40"

Neptune

Fair
Apparent magnitude: 7.7
Constellation: Aries
Angular diameter: 2.3"
Status: near western quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Right ascension: 00h08m08s
Declination: -00°37'57"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Aquarius
Angular diameter: 11622.8"
Status: Moon illumination 28.7%

Observation tip: Moon illumination 28.7%; good for observing lunar surface detail

Right ascension: 21h58m49s
Declination: -11°48'54"