Night sky over Longyearbyen on 27 October 2026
This page lists sunset, twilight and darkness times for Longyearbyen, Svalbard and Jan Mayen, for the night of 27 October 2026. All times are local (CET, UTC+1).
Astronomical darkness begins when the sun is 18 degrees below the horizon. That is when the faintest stars, galaxies and nebulae become visible. Before that, the sky passes through civil and nautical twilight, when only bright stars and planets show. Longyearbyen lies at 78.22° N, 15.65° E, and the length of full darkness there changes through the year.
The moon also affects how dark the sky gets. A bright moon washes out faint objects, while a thin crescent or a new moon leaves the sky dark. On this night the moon phase is Waning Gibbous, with 96 % of the disc lit. Check both the darkness times and the moon data below before you choose targets for the night.
Polar night. The sun stays below the horizon all day.
Tonight at a glance
- Daylight
- Civil twilight
- Nautical twilight
- Astronomical twilight
- Full darkness
| Event | Time |
|---|---|
| Sunset | Sun does not rise |
| Civil dusk | 15:22 |
| Nautical dusk | 17:29 |
| Astronomical dusk (full darkness begins) | 19:30 |
| Astronomical dawn (full darkness ends) | 03:59 |
| Nautical dawn | 05:59 |
| Civil dawn | 08:08 |
| Sunrise | Sun does not rise |
| Hours of full darkness | 8 h 29 min |
Moon
- Phase
- Waning Gibbous
- Illumination
- 96 %
- Age
- 17.3 days
Observing outlook
Darkness lasts most of the day, which leaves long hours for observing.