What time is sunset in Joetsu today?

Sunset in Joetsu is at 5:20 PM local time (Asia/Tokyo) on 2026-10-08.

What phase is the Moon tonight in Joetsu?

The Moon is a Waning Crescent and about 10% illuminated.

Astronomical twilight ends at 6:47 PM local time, so the sky is fully dark from then until 4:22 AM.

Moonrise in Joetsu is at 2:58 AM and moonset is at 3:57 PM local time.

Joetsu is too far from the poles for regular aurora; it would take a very strong geomagnetic storm.

Live now

Kp1.0

Solar wind351 km/s

X-rayC1.0

StormG0 (Quiet)

Source: NOAA SWPC

2026-10-08 · times in Asia/Tokyo · 37.15°N, 138.24°E

Event	Time
Sunrise	5:48 AM
Sunset	5:20 PM
Day length	11 h 33 min
End of civil twilight	5:46 PM
End of nautical twilight	6:16 PM
End of astronomical twilight	6:47 PM
Night length (sunset to sunrise)	12 h 28 min
Fully dark sky tonight	9 h 36 min
Astronomical twilight starts (morning)	4:22 AM

Moonrise	2:58 AM
Moonset	3:57 PM
Illumination	9.7%
Phase	Waning Crescent
Sublunar point (Moon overhead)	7.66°N, 120.63°W
Sublunar point ground speed	1,601 km/h

Moon values are for the moment this page was generated (17:35 UTC). A moonrise or moonset can be missing on a given date.

Planet	Rise	Set	Meridian	Visibility
Mercury (mag -0.1)	7:55 AM	6:14 PM	1:05 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Venus (mag -4.6)	7:58 AM	5:45 PM	12:52 PM	Not visible tonight: below the horizon (or too low) while the sky is dark.
Mars (mag 1.1)	12:07 AM	2:20 PM	7:14 AM	Visible about 4.8 h after dark, highest 59° toward the SE.
Jupiter (mag -1.9)	1:24 AM	3:03 PM	8:14 AM	Visible about 3.5 h after dark, highest 46° toward the E.
Saturn (mag 0.2)	5:15 PM	5:34 AM	11:22 PM	Visible about 11.5 h after dark, highest 55° toward the S.

Aurora near poles only. Joetsu is too far from them to see regular aurora; it would take an extreme geomagnetic storm. See the live aurora forecast.