ARE BANKS OPEN ON MEMORIAL DAY 2021? Memorial Day is a day off for most learning institutions in the U.S. That includes grades K-12 as well as colleges and universities that are still holding classes. NPS properties are open to visitors on Memorial Day, including the sites that honor military service members specifically. ARE MOVIE THEATERS OPEN MEMORIAL DAY? Many will be showing movies on Memorial Day this year after skipping the holiday weekend in 2020.