Quadrantids from Guangzhou in 2026

Quadrantids from Guangzhou: the short answer

For Guangzhou, Guangdong, Quadrantids maximum lands at 05:12 on 4 January 2026. Culmination 08:52 at 63.5° — that is 89% of what the same stream would deliver with the radiant overhead — and the ceiling on the rate is 28.8 meteors an hour.

That ranks it 3rd of twelve from Guangzhou this year, behind the Geminids (147.1/h) and the Perseids (74.0/h).

The radiant track over this city

The radiant rises at 00:51 bearing NE, culminates 63.5° up at 08:52 towards north (360°), and sets at 16:54. It lies inside Bootes. The rate scales with the sine of that altitude, so 63.5° buys you 89% of a zenith radiant.

When it gets dark here

Guangzhou loses the Sun at 17:54 and gets it back at 07:08. True astronomical darkness — the only part that counts for faint meteors — runs 19:14 to 05:48, 10 h 35 min out of 13 h 15 min of night.

Local solar midnight, the true middle of the night, falls at 00:31 here rather than at 00:00: Asia/Shanghai runs 27 minutes ahead of mean solar time at 113.25°E. That offset is why the best hour on this page is not the hour you would guess from the clock.

What the Moon does here

Moonlight is the limiting factor on this night from Guangzhou. The Moon is 100% lit and only 0 of 12 sampled hours are moon-free. Moonrise 17:42. Moonset 07:54. At the best hour it stands 35.3° above the horizon, 87° from the radiant, pulling the limiting magnitude down to 5.35.

Why 29 an hour and not 110

Converting ZHR 110 into something useful for Guangzhou means multiplying by sin(47.2°) and dividing by 2.1 raised to (6.5 − 5.35). That lands at 28.8 meteors an hour, from fast 40.4 km/s entries.

Hour by hour the modelled rate runs from 0.0 at 19:00 (radiant -12.9°) to 19.5 at 06:00 (radiant 47.2°), peaking at 28.8. That spread across 12 hours is why a "what time" answer beats a "how many" answer.

The stream comes from Minor planet 2003 EH1 and Comet C/1490 Y1 and is listed as active 28 December to 12 January, so 4 January 2026 is the best night from Guangzhou rather than the only one.

Watching from around Guangzhou

Guangzhou, Guangdong is the 4th largest of the 300 cities covered here, with a population of 16.10 million at 15 m above sea level. The nearest other cities on the site are Dongguan (52 km ESE), Zhongshan (67 km SSE), Qingyuan (69 km NNW) — close enough that the radiant altitudes barely change, far enough that sunset and moonrise do.

What this page does not know

Light-pollution data for this location is not connected yet. Rates on this page are computed against the reference rural sky the zenithal hourly rate is defined for (naked-eye limiting magnitude 6.5); they are not a claim about how bright the sky is where you are standing. Once the light-pollution layer is connected these figures will be recomputed for the local sky and will generally fall.

Cloud cover is a forecast, not a constant, so it is resolved when you load the tonight card and is deliberately absent from this prerendered page — the hourly table shows "unavailable" rather than assuming clear skies. Meteor outbursts, local terrain and building horizons are not modelled.

A single observer with an unobstructed horizon typically records 30–50% below the ideal-sky figure. Give your eyes twenty minutes to adapt, keep bright screens away, look about halfway up the sky rather than straight at the radiant, and count for a full hour before judging a shower.