Eclipse calculator

We built an interactive calculator that lets readers search any U.S. city and instantly see how much of the sun will be covered, when the eclipse begins and ends, and what peak totality looks like from their location.

Live project
Animated sun and moon diagram showing eclipse progression with precise local start, peak and end times
City search interface for the eclipse calculator centering the map and generating a localized forecast
Profile selection
Profile selection
Profile selection
Profile selection

Readers can search any U.S. city and see how much of the sun will be covered.

Eclipse calculator results for a selected U.S. city showing sun coverage percentage and timing details