Nature Partial Magnitude 0.855 Saros 154 (7 of 71) Start date September 21, 2025 | Gamma -1.0651 Greatest eclipse 19:43:04 Catalog # (SE5000) 9564 | |
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A partial solar eclipse will occur on September 21, 2025. A solar eclipse occurs when the Moon passes between the Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.
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Solar eclipses of 2022-2025
Each member in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.
Metonic series
The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days).
References
Solar eclipse of September 21, 2025 Wikipedia(Text) CC BY-SA