Solar Eclipse 2025 Timeline. A total solar eclipse fascinated millions of viewers on april 8, 2025, as they gazed upon a historic event that only occurs approximately every 20 years in the contiguous u.s. Learn about the total solar eclipse of april 8, 2025, by watching this nasa visualization of the moon's umbra—the darkest part of the moon's shadow—as it crosses north.
The entire series is composed of 71 solar eclipses in the following sequence: On april 8, the moon will slip between the earth and the sun, casting a shadow across a swath of north america: