The Sky over the Mornington Peninsula — September 2172
Highlights this month
- 4FriThe Moon passes Saturn — 2° apart. (6:09am)
- 20SunMercury at greatest evening elongation (27° from the Sun, mag 0.1) — best evening apparition. (7:10am)
- 20SunSaturn at opposition — closest and brightest of the year, up all night in Pisces (mag 0.6). (11:11am)
- 20SunThe Moon passes Mercury — 3° apart. (6:48pm)
- 22TueSpring equinox.
- 23WedThe Moon passes Mars — 2° apart. (11:26pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Tue 1 | 6:42am | 5:59pm | 11h 17m | 7:27pm | 5:14am |
| Thu 10 | 6:28am | 6:06pm | 11h 39m | 7:34pm | 5:00am |
| Sun 20 | 6:12am | 6:15pm | 12h 03m | 7:43pm | 4:44am |
| Wed 30 | 5:56am | 6:24pm | 12h 27m | 7:53pm | 4:27am |
Days lengthen by about 70 minutes over the month.
The Moon
- Full MoonThu 3, 1:17am
- Last QuarterThu 10, 4:47pm
- New MoonFri 18, 2:11pm
- First QuarterFri 25, 1:24pm
Apogee 11 Sep (404,800 km) · Perigee 25 Sep (369,900 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Vir | 0.1 | 7:16am | 1:48pm | 8:21pm | Evening |
| Venus | Leo | −3.8 | 4:52am | 10:04am | 3:17pm | Hidden |
| Mars | Sco | 0.7 | 9:28am | 4:46pm | 12:06am | Evening |
| Jupiter | Lib | −1.6 | 8:42am | 3:35pm | 10:29pm | Evening |
| Saturn | Psc | 0.6 | 6:25pm | 12:40am | 6:51am | All night |
| Uranus | Aqr | 5.8 | 4:40pm | 11:13pm | 5:51am | All night |
| Neptune | Cap | 7.8 | 3:31pm | 10:20pm | 5:12am | Evening |
The solar system — September 2172
Evening sky Morning sky Up much of the night Lost in the Sun’s glare
Open the full interactive orrery ↗ — fast-forward, pick any date, toggle the Moon and more.
Looking for an earlier month? Browse all past monthly guides →
Generated automatically from the MPAS sky engine on 7 October 2026.