October 17, 2022
The Moon reaches last quarter phase today at 17:15 UT. In St. Louis that would be 12:15 pm. At this time, you can find the Moon in the west about 23° above the horizon.
The western sky as it will appear at 12:15 pm. At this time, the Moon will reach third quarter phase as shown in the bottom right. Star map created using Stellarium. Image credit: NASA SVS