The Sky over the Mornington Peninsula — May 2100
Highlights this month
- 6ThuEta Aquariids meteor shower peaks (up to 50/hr). A thin 8% Moon leaves the sky dark.
- 12WedVenus in inferior conjunction with the Sun — lost in the glare. (10:23pm)
- 14FriThe Moon passes Mars — 3° apart. (6:05am)
- 17MonMercury at greatest evening elongation (22° from the Sun, mag 0.3) — best evening apparition. (1:37am)
- 20ThuThe Moon passes Jupiter — 4° apart. (8:54pm)
- 26WedNeptune is stationary — resumes direct (eastward) motion. (7:50am)
- 29SatMercury is stationary — begins retrograde (westward) motion. (7:01pm)
Sun & twilight
| Date | Sunrise | Sunset | Day length | Astro. dark begins | ends |
|---|---|---|---|---|---|
| Sat 1 | 7:01am | 5:32pm | 10h 31m | 7:02pm | 5:32am |
| Mon 10 | 7:10am | 5:23pm | 10h 13m | 6:54pm | 5:39am |
| Thu 20 | 7:18am | 5:14pm | 9h 56m | 6:47pm | 5:46am |
| Mon 31 | 7:27am | 5:08pm | 9h 42m | 6:42pm | 5:53am |
Days shorten by about 49 minutes over the month.
The Moon
- Last QuarterSat 1, 3:04pm
- New MoonSun 9, 7:01pm
- First QuarterMon 17, 12:48pm
- Full MoonMon 24, 3:23am
- Last QuarterMon 31, 5:42am
Apogee 7 May (406,200 km) · Perigee 22 May (359,200 km)
The planets
Rise/set for mid-month at The Briars.
| Planet | In | Mag | Rise | Transit | Set | Best |
|---|---|---|---|---|---|---|
| Mercury | Tau | 0.2 | 9:10am | 1:46pm | 6:23pm | Hidden |
| Venus | Ari | −3.3 | 7:04am | 11:56am | 4:48pm | Hidden |
| Mars | Gem | 1.6 | 11:10am | 3:50pm | 8:31pm | Evening |
| Jupiter | Vir | −2.1 | 3:26pm | 9:41pm | 4:01am | Evening |
| Saturn | Vir | 0.4 | 3:49pm | 10:08pm | 4:32am | Evening |
| Uranus | Psc | 5.9 | 4:41am | 10:16am | 3:51pm | Morning |
| Neptune | Leo | 7.9 | 2:12pm | 7:52pm | 1:35am | Evening |
Meteor showers
- Eta Aquariids — peaks 6 May, radiant in Aquarius (up to 50/hr). Debris of Halley's Comet and one of the best showers of the year from the south — swift meteors in the pre-dawn eastern sky. A thin 8% Moon leaves the sky dark.
The solar system — May 2100
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.
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Generated automatically from the MPAS sky engine on 1 September 2026.