When Is the 2017 Harvest Moon?

October's full Harvest Moon will shine all night tonight (Oct. 5) while passing by — or fully covering — Neptune in some parts of the world. In the predawn hours, you'll get another celestial show with Mars and Venus close together in the eastern sky.

The moon reaches its full phase at 2:40 p.m. EDT (1840 GMT), but casual observers will see little difference later tonight. In North America, the Harvest Moon refers to the first full moon after the autumnal equinox, which took place on Sept. 22. The name of the moon, however, may vary, depending on which culture's literature you consult. Read more at Space.com.

October's Harvest Moon, the full moon nearest the autumnal equinox, rises on Oct. 5. Here are the best times and tools to see it shared by Space.com.

It's time for the annual Harvest Moon to shine brightly in the autumn sky. Check out these Facts About the Harvest Moon at Weather.com.

Tags: 2017harvest moon