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An annular solar eclipse will take place on May 20, 2012 (May 21, 2012 for local time in Eastern Hemisphere), with a magnitude of 0.9439. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partially obscuring the image of the Sun for a viewer on Earth. An annular solar eclipse occurs when the Moon’s apparent diameter is smaller than the Sun, causing the Sun to look like an annulus (ring), blocking most of the Sun’s light. An annular eclipse appears as a partial eclipse over a region thousands of kilometres wide.
The annular phase will be visible from the Chinese coast, the south of Japan, and the western part of the United States and Canada. Guangzhou, Tokyo and Albuquerque will be on the central path. Kanarraville, Utah will be a perfect place to view the annular phase. Its maximum will occur in the North Pacific, south of the Aleutian islands for 5 min and 46.3 s, and finish in the western United States.
It will be the first central eclipse of the 21st century in the continental USA, and also the first annular eclipse there since the solar eclipse of May 10, 1994 which was also the previous eclipse of this series Solar Saros 128.