| Partial Lunar Eclipse 28 August 2026 | |
|---|---|
 The moon passes west to east (right to left) across the Earth's umbral shadow, shown in hourly intervals. | |
| Series | 138 (30 of 83) |
| Gamma | -0.4694 |
| Magnitude | -0.9299 |
| Duration (hr:mn:sc) | |
| Partial | 3:18:07 |
| Penumbral | 5:37:46 |
| Contacts | |
| P1 | 1:23:55 UTC |
| U1 | 2:33;48 |
| Greatest | 4:12:49 |
| U4 | 5:51:55 |
| P4 | 7:01:41
The lunar eclipse is visible in North america |
A partial lunar eclipse will take place on Friday 28 August 2026. The moon will be almost be inside the umbra, but not quite be contained within the umbral shadow at greatest eclipse.
This lunar eclipse follows the total solar eclipse of 12 August 2026.
This eclipse is the fourth and last of an almost tetrad, with others being 14 Mar 2025 (T), 07 Sep 2025 (T) and 03 Mar 2026 (T). In this almost tetrad, it's the only partial lunar eclipse. An almost tetrad occurs when has four consecutive lunar eclipses that has an umbral eclipse magnitude of 0.9 or greater without lunar eclipses that has an umbral eclipse magnitude of 0.89999 or smaller.