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Sky guide, 35.7°N

The night sky over Tokyo

What changes through the year in the sky above Tokyo: how dark it gets, which constellations you can and cannot see, and what the eclipses and meteor showers of 2026 and 2027 look like from here.

Open the live sky for Tokyo

Sunrise, sunset and darkness through 2026

Tokyo is at 35.7°N. The table gives sunrise, sunset and day length on the 15th of each month in local time (Asia/Tokyo), and the hours of full astronomical darkness, when the Sun is more than 18 degrees below the horizon and the faintest stars and the Milky Way show. The longest dark nights are around December, with about 11 h 12 min of darkness.

Sun and darkness in Tokyo, 15th of each month, 2026. Local time.
MonthSunriseSunsetDay lengthFull darkness
January06:5016:5010 h 00 min10 h 60 min
February06:2817:2210 h 54 min10 h 14 min
March05:5217:4811 h 56 min9 h 13 min
April05:0918:1413 h 05 min7 h 54 min
May04:3618:3914 h 02 min6 h 36 min
June04:2518:5814 h 34 min5 h 49 min
July04:3618:5714 h 21 min6 h 10 min
August05:0018:3113 h 31 min7 h 22 min
September05:2317:4912 h 26 min8 h 43 min
October05:4717:0611 h 19 min9 h 52 min
November06:1616:3410 h 18 min10 h 46 min
December06:4316:299 h 46 min11 h 12 min

Constellations and your latitude

How much of the sky you can see depends on latitude. From Tokyo, in the northern hemisphere, 1 constellations never set: Ursa Minor. 12 never rise above the horizon: Apus, Chamaeleon, Circinus, Crux, Hydrus, Mensa, Musca, Octans, Pavo, Triangulum Australe, Tucana and Volans. 15 more only partly clear it: Ara, Carina, Centaurus, Dorado, Eridanus, Grus, Horologium, Indus, Lupus, Norma, Phoenix, Pictor, Reticulum, Telescopium and Vela. These come from the IAU's constellation boundaries and are geometric, so they ignore haze, hills and buildings near the horizon.

Eclipses from Tokyo, 2026 and 2027

Eclipses 2026 and 2027 and what Tokyo sees
DateEclipseFrom Tokyo
17 Feb 2026Annular solar eclipseNot visible from here
3 Mar 2026Total lunar eclipseTotality lasts about 59 minutes. From here the Moon is 35° up at the peak.
13 Aug 2026Total solar eclipseNot visible from here
28 Aug 2026Partial lunar eclipseNot visible from here
7 Feb 2027Annular solar eclipseNot visible from here
21 Feb 2027Penumbral lunar eclipseNot visible from here
19 Jul 2027Penumbral lunar eclipseA penumbral eclipse is a faint shading that is hard to see by eye. From here the Moon is 29° up at the peak.
2 Aug 2027Total solar eclipseNot visible from here
17 Aug 2027Penumbral lunar eclipseNot visible from here

Meteor showers: how high the radiant gets

The radiant is the point a meteor shower seems to stream from; the higher it climbs, the better the shower works. This is the highest each radiant gets from Tokyo. See the meteor shower table for peak dates and the Moon.

Radiant altitude from Tokyo
ShowerHighest radiantPeakZHR
Lyrids88°23 Apr18
Geminids87°14 Dec150
Quadrantids77°4 Jan80
Leonids76°18 Nov15
Draconids70°9 Oct5
Orionids70°22 Oct20
Southern Taurids69°6 Nov7
Perseids68°13 Aug110
Eta Aquariids53°6 May50
Southern Delta Aquariids38°31 Jul25

How this was worked out

Sun and darkness times come from the astronomy-engine library. The sunrise and sunset times on both 2026 solstices at this and five other places were compared with the US Naval Observatory's tables (20 times) and the largest difference was 30 seconds. The other mid-month figures use the same calculation but were not compared one by one. Constellation visibility comes from the IAU boundaries.

Sources

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