What is the moon phase today? Today, Jan. 29, 2025, the moon is 30 days old, in the New Moon phase of its lunar cycle. It is 0% illuminated. Moon phases reveal the passage of time in the night sky.
Thanks to the Moon’s orbit around Earth, the angle of sunlight hitting the lunar surface and being reflected back to our planet changes. That creates different lunar phases. The next Full Moon ...
Generally, the nights of and near the new moon – when the moon is not illuminated – are better for most stargazing experiences. Here are the dates of new moons this year.