January 2027 sky guide: Quadrantids in perfect darkness
January 2027 opens with the Quadrantids — the year's first major meteor shower — peaking in skies the Moon has emptied three days before new. Venus puts on the month's other headline show at greatest elongation in the dawn, while Mars stations and starts its retrograde loop in Leo, the opening act of February's double opposition. Cold, clear, and dark: here is the month.
Key takeaways
- Quadrantids peak Jan 4, 03h25m UT (ZHR 80, variable 60–200) under perfect, moonless conditions.
- New Moon Jan 7, 20:24 UT — deep-sky nights span roughly Jan 3–12.
- Venus reaches greatest western elongation (47.0°) on Jan 3 — a brilliant, high morning star.
- Mars begins retrograde motion in Leo on Jan 10, on track for its Feb 19 opposition.
- Full Moon Jan 22, 12:17 UT closes the dark run; Mercury is lost in solar glare all month.
Moon phases: January 2027
Principal phases, computed with our validated Meeus engine (USNO agreement within 2 minutes — see methodology):
| Phase | Date | Time (UT) |
|---|---|---|
| New Moon | 2027-01-07 | 20:24 |
| First Quarter | 2027-01-15 | 20:35 |
| Full Moon | 2027-01-22 | 12:17 |
| Last Quarter | 2027-01-29 | 10:54 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 37% | 2 28% | 3 19% | ||||
| 4 12% | 5 7% | 6 3% | 7 1% | 8 0% | 9 1% | 10 4% |
| 11 8% | 12 14% | 13 22% | 14 31% | 15 41% | 16 52% | 17 63% |
| 18 74% | 19 84% | 20 91% | 21 97% | 22 100% | 23 100% | 24 97% |
| 25 92% | 26 84% | 27 76% | 28 66% | 29 55% | 30 45% | 31 35% |
The sweet spot for faint targets is Jan 3–12, with the Quadrantid peak landing right at its start. After the Jan 22 full Moon, the last-quarter Moon of Jan 29 leaves dark evenings for the final days of the month — a rare treat, since evening darkness usually has to wait for the crescent to set.
Meteor showers in January 2027
Quadrantids — the one to catch
The Quadrantids (010 QUA) are active Dec 28–Jan 12, with a sharp maximum at Jan 4, 03h25m UT (solar longitude 283.15°), ZHR 80 — historically variable between 60 and 200 — from a radiant at RA 230°, Dec +49°, in northern Boötes. Meteors are moderately fast at 41 km/s and rich in bright events; the shower is named for the obsolete constellation Quadrans Muralis. The IMO's 2027 calendar calls the moonlight conditions "perfect", the peak falling three days before new Moon. The radiant is circumpolar for observers north of about +40° and climbs highest in the pre-dawn hours — so the 03h25m UT maximum favours Europe, Africa and western Asia, but strong rates grace any location with the radiant aloft that night. Set the alarm. Verified: 2026-11-16 — IMO 2027 Meteor Shower Calendar.
Everything else
January is otherwise quiet: the weak α-Ursae Minorids (around Jan 18) are badly hindered by a waxing gibbous Moon this year per the IMO, and the sporadic background offers a handful of meteors per hour. If the Quadrantid peak clouds out, remember the shower's activity stretches to Jan 12 — and our guide to why showers happen explains what you are actually watching.
Planets this month
| Planet | Where to look | Notes |
|---|---|---|
| Venus | Southeast before dawn | Greatest western elongation Jan 3 (47.0° from the Sun) with dichotomy the same day; blazing near mag −4.4 and climbing to its highest morning altitude by month's end. |
| Mars | Leo, morning to midnight | Stations retrograde Jan 10 (mag −0.4, disc 11.1″) — Earth is reeling it in for the Feb 19 opposition. |
| Jupiter | Leo, evening | Retrograde and brightening; rises before midnight all month and brightens toward its Feb 11 opposition. |
| Saturn | Low southwest at dusk | Sinking week by week toward its April 7 solar conjunction — catch it early in the month. |
| Mercury | Too close to the Sun | Superior conjunction Jan 1; a poor evening apparition builds late in the month (see February's guide). |
Planet events (Venus greatest elongation Jan 3, Mercury superior conjunction Jan 1, Mars retrograde Jan 10, Saturn conjunction Apr 7) — Verified: 2026-11-16 against the AstroPixels 2027 almanac, In-The-Sky.org (Mars retrograde) and In-The-Sky.org (Venus morning apparition).
A planisphere (star wheel) for your latitude
A dial that shows the whole sky for any hour of any night — the fastest way to find Boötes and the Quadrantid radiant without a phone screen.
Check price →The month in three appointments
- Night of Jan 3/4 (Quadrantid maximum): moonless, cold, and the year's sharpest meteor peak — 03h25m UT.
- Jan 7–12 (new-Moon run): winter's Milky Way — Orion, Gemini, Auriga — at its darkest.
- Mornings all month (Venus): greatest elongation Jan 3, then its highest dawn standing of this apparition by late January.
Related reading
- February 2027 sky guide — Jupiter and Mars at opposition eight days apart
- December 2026 sky guide — the Geminids under a crescent
- Moon-phase calculator — any date, any month