October 2023 lunar eclipse|
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| Date | October 28, 2023 |
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| Gamma | 0.9471 |
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| Magnitude | 0.1234 |
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| Saros cycle | 146 (11 of 72) |
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| Partiality | 77 minutes, 21 seconds |
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| Penumbral | 264 minutes, 34 seconds |
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| Contacts (UTC) |
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| P1 | 18:01:47 |
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| U1 | 19:35:18 |
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| Greatest | 20:14:03 |
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| U4 | 20:52:39 |
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| P4 | 22:26:20 |
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A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Saturday, October 28, 2023, with an umbral magnitude of 0.1234. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring about 2.9 days after perigee (on October 25, 2023, at 23:00 UTC), the Moon's apparent diameter was larger.