Each month, the Moon traces its ancient rhythm across the sky, and on the evening of August 31, 2026, it enters the Waning Gibbous phase — 89 percent illuminated, beginning its slow retreat from fullness toward darkness. This moment, unremarkable in its regularity, is also an invitation: the lunar surface is legible tonight, its great plains and craters open to anyone willing to look upward. The next Full Moon will not arrive until September 26, leaving nearly a month of gradual dimming, a quiet reminder that all brightness is temporary and cyclical.