What Time Does It Get Dark?
Use your location to calculate sunset, civil dusk, nautical dusk, and full astronomical darkness for tonight.
For most everyday purposes, civil dusk is the best answer to “what time does it get dark?” Astronomical dusk is closer to what stargazers mean by fully dark.
Tonight’s dark time
Click “Use My Location,” or enter latitude and longitude manually. Your browser calculates the result locally.
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Which “dark” time should I use?
Sunset
The sun has dropped below the horizon, but there is still plenty of light in the sky.
Civil dusk
The most useful answer for daily life. Outdoor daylight has mostly faded.
Nautical dusk
The horizon becomes difficult to see clearly. The sky is significantly darker.
Astronomical dark
The sky is as dark as it is likely to get, aside from moonlight and light pollution.
Time's New Dawn
Time's New Dawn is a Dark Time novel about a city built over a meteor crater, a physicist named Rebecca Dawn, and a future where time itself begins to fracture.