The umbral part of the eclipse occurs between 9:30pm and 12:55am. The total phase of the eclipse begins at 10:30pm and ends at 11:54pm. If you have limited time, the best part of the eclipse will be between 9pm and 11pm.
Timeline for the eclipse as seen from St Louis area
8:07pm Sunset
8:33pm Moon begins to enter the Earth's penumbra (Alt=5, AZ=120)
9:28pm Moon begins to enters the Earth's umbra. Partial eclipse begins. (Alt=14, Az=129)
10:30pm Moon fully within Earth's umbra. Total eclipse begins. (Alt=23, Az=142)
11:12pm Midpoint of eclipse (Alt=27, Az=152)
11:54pm Moon begins to leave the Earth's umbra. Total eclipse ends. (Alt=30, Az=162)
12:55am Moon fully outside the Earth's umbra. Partial eclipse ends. (Alt=32, Az=180)
1:51am Moon leaves the Earth's penumbra (Alt=30, Az=195)
Date: Sunday, 5/15/2022
Time: 8:00 PM - 11:59 PM Central
Location: Jefferson College Observatory, 9873 Farm Road, Hillsboro, MO 63050