Tokyo stargazing calendar for Sep 2026

Scores are estimated from moon phase, moonlight interference and dark-window timing for Tokyo. This first version does not include cloud cover, so always check weather.

Galactic Core (Milky Way center)

馃寣 Sep is a good window for the Milky Way core over Tokyo: it climbs to a shootable altitude around 19:16, sinks back down near 21:16, and peaks around 19:16 at roughly 22掳 in the South. Avoid moonlight and face that direction to catch the bright galactic center.

DateScoreTonight's MoonDark window
2026-09-0792Waning Crescent 20%19:29-03:48
2026-09-0892Waning Crescent 11%19:28-03:49
2026-09-0992Waning Crescent 5%19:26-03:50
2026-09-1092Waning Crescent 1%19:24-03:51
2026-09-1192New Moon 0%19:23-03:51

Related tools: Stargazing & Moon Viewing ScoreMoon PhasesMeteor Showers