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May 10–11, 1937 Partial Mercury Transit

Was this transit visible in Washington DC?

1937 Partial Mercury Transit Animation

This is how the 1937 Partial Mercury Transit looked close to the center of the area where it was visible. Note: The location was in the Northern Hemisphere. The transit path can vary depending on your location. The curvature of the planet's path is due to the Earth's rotation.

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Where the Transit Was Seen

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Where the 1937 Partial Mercury Transit Was Seen

Regions seeing at least some parts of the transit: Europe, Asia, North/West Australia, Africa, Much of North America, North/East South America, Pacific, Atlantic, Indian Ocean, Arctic, Antarctica.

Expand for some cities that could only see partial phase

Was this transit visible in Washington DC?

Who Could See the Transit

Shades of darkness


Astronomical Twilight (Sun was 12 - 18 degrees below the horizon)

Nautical Twilight (Sun was 6 - 12 degrees below the horizon)

Civil Twilight (Sun was 0 - 6 degrees below the horizon)


At least some of the transit visible

Transit not visible

When the 1937 Partial Mercury Transit Happened Worldwide — Timeline

Planet transits are normally visible from all locations where the Sun is up. However, because of different viewing angles, the start and end times can vary by a few minutes. The times below are actual times (in UTC) when the transit is visible.

Eclipse Stages WorldwideUTC TimeLocal Time in Washington DC*
First location that saw the partial transit beginMay 11 at 08:28:15May 11 at 4:28:15 am
Geocentric** partial transit began (ingress, exterior contact)May 11 at 08:49:10May 11 at 4:49:10 am
Mercury was closest to the Sun's centerMay 11 at 08:59:16May 11 at 4:59:16 am
Geocentric** transit ended (egress, exterior contact)May 11 at 09:09:22May 11 at 5:09:22 am
Last location that saw partial transit endMay 11 at 09:30:17May 11 at 5:30:17 am

* These local times do not refer to a specific location but indicate the beginning, peak, and end of the eclipse on a global scale, each line referring to a different location. This transit isn't visible in Washington DC.

** The geocentric times refer to a theoretical situation where the transit is viewed from the Earth's center. They are used to provide an approximately average time schedule for astronomical events. Because of varying perspectives, observers on the Earth's surface will experience the transit at slightly different times depending on their location.

Geocentric duration of this Partial Mercury Transit is 20 minutes, 12 seconds.

Transits and eclipses visible in Washington DC

Previous Mercury Transit was on Nov 10, 1927.

Next Mercury Transit will be on Nov 11 – Nov 12, 1940

Eclipse calculations usually accurate to a few seconds