Astronomy
Astronomy schedules in your time zone
Night-sky schedules on the timelines of your cities: when it gets dark at the remote observatory sites on the other side of the world, and how long the Moon stays out of the sky.
Everything is computed from the positions of the Sun and the Moon for each site, so the calendars never go out of date.
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Astronomical night and moon-free hours at Siding Spring, Río Hurtado, Hakos, Nerpio, New Mexico and Utah.
