The illustration is set to your computer’s clock and therefore gives you an accurate reading for your own particular time zone. The illustration above shows the range of illumination for today - November 22, 2023. And while the changes may seem slow, on any given day the amount of Moon illuminated by the Sun can vary by as much as 10-percent.
It’s the Moon’s journey as it orbits around Earth that creates the predictable dance between light and shadow.
