Celebrate dark night skies and limit light pollution by raising awareness with International Dark Sky Week, April 13 . Find links here.

Celebrate International Dark Sky Week, a global event inspiring people to discover the night, reduce light pollution, and take action to protect dark skies worldwide.

Created in 2003 by high-school student Jennifer Barlow, International Dark Sky Week has grown to become a worldwide event and a key component of Global Astronomy Month. Each.

Understanding the Context

International Dark Sky Week begins as advocates urge a return to darker nights. As light pollution grows, the observance highlights ecological harm, threatened species, and even the.

International Dark Sky Week is marked every year during the week of the new moon in April and this year it will be observed from April 13 to 20. It is a week to switch off the lights in the evening and.

Join the global celebration of the night during International Dark Sky Week, April 2128, 2025 and take the pledge.

International Dark Sky Week is a global celebration of the night, held each April during the week of the new moon, when skies are naturally darkest. In 2026, it runs from April 13 to April 20..

Key Insights

International Dark Sky Week, observed April 1320, 2026, is a global initiative by DarkSky International to address light pollution and promote the cultural, ecological, and scientific value of ...

International Dark Sky Week, this year is from April 13th to 20th. This is a global celebration of the night. From the darkness that supports critical wildlife ecosystems to the star-filled.

International Dark Sky Week (formerly the National Dark Sky Week) is held during the week of the new moon in April, [1][2] when people worldwide may turn off their lights to observe the beauty of the night.