The full moon did not occur on August 20. The full moon nearest to August 20, 2024, was on August 19, 2024. On August 20, 2024, the moon was in a waning gibbous phase, shortly after the full moon, with about 99% illumination. In 2025, the full moon closest to August 20 will be on August 9, 2025, known as the Sturgeon Moon. By August 20, 2025, the moon will be in a waning crescent phase with much less illumination. So, to summarize:
- August 20, 2024: Waning gibbous moon, about 99% illuminated, just after full moon on August 19.
- August 20, 2025: Waning crescent moon, very little illumination, with full moon having occurred earlier on August 9, 2025.
There is no full moon exactly on August 20 in recent years or the near future based on current lunar phase data.
