Crescent Visibility Calculator
Calculate whether the first crescent moon will be visible after sunset.
Crescent likely visible tonight ✓
About the Crescent Visibility Calculator
The crescent visibility calculator is a free online lunar calculator that gives you an accurate answer in seconds. Calculate whether the first crescent moon will be visible after sunset. Just pick a date and the calculator does the rest, using the same astronomy math NASA uses to track the moon.
People also search for this as a crescent visibility, new crescent moon, hilal sighting. Whatever you call it, this moon calculator is built to be fast, accurate, and easy to use on any phone or computer. There is no sign up, no download, and no cost — just open the page, type your date, and read the answer.
Every number on this page comes from a real moon phase calculation engine. That means the moon phase, the moon age, the illumination percent, and the moon distance are all computed from the same formulas used in astronomy textbooks. You can trust the result for school projects, sky watching plans, or simple curiosity about the night sky.
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