Quadrantids from Jakarta in 2026

Quadrantids from Jakarta: the short answer

For Jakarta, Quadrantids maximum lands at 04:12 on 4 January 2026. Culmination 08:18 at 34.2° — that is 56% of what the same stream would deliver with the radiant overhead — and the ceiling on the rate is 10.6 meteors an hour.

That ranks it 5th of twelve from Jakarta this year, behind the Geminids (117.5/h) and the Perseids (38.7/h).

The radiant track over this city

The radiant rises at 02:47 bearing NE, culminates 34.2° up at 08:18 towards north (360°), and sets at 13:48. It lies inside Bootes. The rate scales with the sine of that altitude, so 34.2° buys you 56% of a zenith radiant.

When it gets dark here

Jakarta loses the Sun at 18:11 and gets it back at 05:43. True astronomical darkness — the only part that counts for faint meteors — runs 19:27 to 04:27, 9 hours out of 11 h 32 min of night.

Local solar midnight, the true middle of the night, falls at 23:57 here rather than at 00:00: Asia/Jakarta runs 7 minutes behind mean solar time at 106.85°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 Jakarta. The Moon is 100% lit and only 0 of 11 sampled hours are moon-free. Moonrise 18:15. Moonset 06:20. At the best hour it stands 28.3° above the horizon, 87° from the radiant, pulling the limiting magnitude down to 5.56.

Why 11 an hour and not 110

Converting ZHR 110 into something useful for Jakarta means multiplying by sin(19.6°) and dividing by 2.1 raised to (6.5 − 5.56). That lands at 10.6 meteors an hour, from fast 40.4 km/s entries.

Hour by hour the modelled rate runs from 0.0 at 19:00 (radiant -43.4°) to 1.6 at 05:00 (radiant 19.6°), peaking at 10.6. That spread across 11 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 Jakarta rather than the only one.

Watching from around Jakarta

Jakarta is the 30th largest of the 300 cities covered here, with a population of 8.54 million at 16 m above sea level. The nearest other cities on the site are Bandung (115 km SE), Semarang (404 km ESE), Palembang (434 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.