It’s not science fiction: the phenomenon that will cause the sun to rise twice on March 29 and how to see it in the U.S.
This weekend, observers in North America and Canada will be able to witness a “double sunrise” effect during the first partial solar eclipse of 2025.
A double treat for stargazers this weekend when a partial solar eclipse will be visible in regions across North America, Europe, and North Africa.
March’s solar eclipse
In the United States, the partial solar eclipse - the first of two this year, will be able to be seen from several northeastern states, particularly at sunrise. The Sun will already appear partially obscured by the Moon as it rises above the horizon, casting a shadow on parts of the Northern Hemisphere.
#DYK there’s going to be a partial solar eclipse on March 29?
— NASA Sun & Space (@NASASun) March 27, 2025
During sunrise in the Northeastern U.S., the Moon will partially block the Sun from view. Coverage ranges from as little as 1% in Washington, D.C. to 64% in Portland, Maine.
Find info for your location:… pic.twitter.com/OnfuRL7QXP
According to NASA, the partial eclipse will begin before sunrise in North America, creating a striking visual effect with the Sun resembling a crescent. This phenomenon will be most pronounced along the northeastern US coastline and eastern Canada, where over 80% of the Sun’s surface will be covered.
US states to watch the 29 March partial eclipse
- Maine
- New Hampshire
- Massachusetts
- Vermont
- Connecticut
- Rhode Island
- New York
- New Jersey
- Pennsylvania
- Delaware
- Maryland
- Virginia
- Washington, D.C.
Where to see the “double sunrise” this weekend
In certain areas of Maine, New Brunswick and Quebec, the alignment will create a unique optical phenomenon known as the “double sunrise.” During this event, the Sun will rise partially covered by the Moon, appearing as two luminous lobes. This stunning effect occurs because the peak of the eclipse coincides with sunrise.
The partial eclipse will be visible across at least 13 states in the US, with peak visibility concentrated in the northeastern part of the country.
Cities with the most coverage:
- South Lubec and Quoddy Head State Park (Maine): 86%
- Portland (Maine): 78%
- Concord (New Hampshire): 57%
- Boston (Massachusetts): 43%
- Albany (New York): 17%
- New York City: 21%
- Philadelphia (Pennsylvania): 11%
- Washington, D.C.: 1.2%
In Halifax, Canada, the partial eclipse will reach 83% coverage, starting at 7 a.m. while coverage is expected to reach 87% in Nuuk, Greenland just under an hour later.
NASA advise everyone who watches the eclipse to use proper eye protection or an indirect viewing method to protect their eyes.
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