The Sky for the Month

The Sky over the Mornington Peninsula — December 2166

Computed for The Briars, Mt Martha. Times are local (Melbourne).

Highlights this month

  • 6SatThe Moon passes Jupiter — 3° apart. (9:59pm)
  • 13SatMars in superior conjunction with the Sun — lost in the glare. (6:13pm)
  • 14SunGeminids meteor shower peaks (up to 150/hr). A 51% Moon washes out fainter meteors for part of the night.
  • 22MonSummer solstice.
  • 22MonUrsids meteor shower peaks (up to 10/hr). A thin 0% Moon leaves the sky dark.

Sun & twilight

DateSunriseSunsetDay lengthAstro. dark beginsends
Mon 15:50am8:27pm14h 37m10:19pm3:58am
Wed 105:50am8:35pm14h 46m10:30pm3:54am
Sat 205:52am8:42pm14h 50m10:39pm3:55am
Wed 315:59am8:46pm14h 47m10:41pm4:03am

Days lengthen by about 11 minutes over the month.

The Moon

  • First QuarterMon 1, 12:05am
  • Full MoonSun 7, 2:52pm
  • Last QuarterSun 14, 8:00pm
  • New MoonTue 23, 12:08am
  • First QuarterTue 30, 9:45am

Perigee 6 Dec (360,400 km) · Apogee 18 Dec (405,500 km)

The planets

Rise/set for mid-month at The Briars.

PlanetInMagRiseTransitSetBest
MercurySgr−0.86:33am2:05pm9:38pmHidden
VenusSgr−3.77:33am2:58pm10:23pmHidden
MarsOph1.35:48am1:12pm8:37pmHidden
JupiterTau−2.66:53pm11:49pm4:49amEvening
SaturnSgr0.47:50am3:07pm10:23pmHidden
UranusCap5.99:44am4:44pm11:44pmEvening
NeptuneCap7.99:31am4:32pm11:32pmEvening

Meteor showers

  • Geminids — peaks 14 December, radiant in Gemini (up to 150/hr). The richest shower of the year; the radiant reaches a useful altitude after local midnight, so it rewards southern observers well. A 51% Moon washes out fainter meteors for part of the night.
  • Ursids — peaks 22 December, radiant in Ursa Minor (up to 10/hr). A circumpolar northern shower whose radiant never rises from Victoria. A thin 0% Moon leaves the sky dark.

The solar system — December 2166

Evening sky Morning sky Up much of the night Lost in the Sun’s glare

Generated automatically from the MPAS sky engine on 6 October 2026.