| Type: | total |
| Date: | 18 August 2054 |
| Gamma: | 0.2806 |
| Magnitude: | 1.3062 |
| Saros Ser: | 129 |
| Saros No: | 40 of 71 |
| Cat Year: | 2051 |
| Cat No: | LE2054Aug18T |
| Totality: | 82 minutes 57 seconds |
| Partiality: | 226 minutes 32 seconds |
| Penumbral: | 369 minutes 27 seconds |
| P1: | 06:20:05 |
| U1: | 07:31:32 |
| U2: | 08:43:19 |
| Greatest: | 09:24:48 |
| U3: | 10:06:16 |
| U4: | 11:18:04 |
| P4: | 12:29:32 |
| Previous: | February 2054 |
| Next: | February 2055 |
A total lunar eclipse will take place on August 18, 2054.
This eclipse is the second of an almost tetrad, the others being 22 February 2054 (T), 11 February 2055 (T), and 7 August 2055 (P).
The entire eclipse will be visible in western North America and the Pacific Ocean. Part or most of the eclipse will be visible in the remainder of the Americas, Oceania, and most of Eastern and Southeastern Asia.
It last occurred on August 7, 2036 and will next occur on August 28, 2072.
This is the 40th member of Lunar Saros 129. The previous event was the August 2036 lunar eclipse. The next event is the August 2072 lunar eclipse. Lunar Saros 129 contains 11 total lunar eclipses between 1910 and 2090. Solar Saros 136 interleaves with this lunar saros with an event occurring every 9 years 5 days alternating between each saros series.
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[1] This lunar eclipse is related to two total solar eclipses of Solar Saros 136.