International Dark Sky Week is April 13 to 20
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International Dark Sky Week is April 13 to 20, 2026. Image via IDA.
International Dark Sky Week is a worldwide celebration of the dark and natural night.
Light pollution is the human-made alteration of outdoor light levels.
Go Dark is the 2026 theme.
Don’t miss the next unmissable night sky event. Sign up for our free newsletter for daily night sky updates, as well as the latest science news.
According to the International Dark-Sky Association (IDA) – founded in 1988 and based in Tucson,
International Dark Sky Week is a worldwide celebration of the dark and natural night.
Light pollution is the human-made alteration of outdoor light levels.
Go Dark is the 2026 theme.
Don’t miss the next unmissable night sky event. Sign up for our free newsletter for daily night sky updates, as well as the latest science news.
According to the International Dark-Sky Association (IDA) – founded in 1988 and based in Tucson,
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