- Excellent
- Very good
- Good
- Fair
- Limited
- Poor
- Very poor
- Almost none
- None
- Certified dark sky place
Tokyo, Japan
Sunday, August 9, 2026
Pick a date
Meteor shower
Perseids
Active, around 60 an hour
Best around 3:56 AM
The rate at the top is how many you might really see from a dark spot here, allowing for how high the shower climbs and for moonlight. "Under a perfect sky" is the best case. Clouds are not counted here: check the sunset page for those.
The most dependable shower of the year, on warm summer nights in the north.
Milky Way
Milky Way
Washed out by city light
Visible from 8:14 PM
The bright center of the Milky Way: when it is above the horizon with the sky fully dark and the Moon set, brought down for how dark the sky is here (estimated from the towns around by Walker's law) and for cloud where the forecast reaches.
That morning
Sunrise
4:55 AM
4:55 AM
Best color is when the sky has actually looked its best, learned from 20 camera photos of past sunrises here.
Sunset
6:38 PM
6:38 PM
Too far ahead for a weather forecast. These are the sun's own times - they will not change.
Moon
Waning crescent
18% lit
12:18 AM – 3:56 PM
Between the two 4° marks the Moon is clear of haze and most of what stands on the horizon.
Upcoming celestial events for Tokyo, Japan
Nothing of that kind is coming up here. Try another category.