There also were a lot of "Last day to do X" type college course registration deadlines on those two days: https://www.google.com/search?q="last+day"+3%2F17%2F22

There also were a lot of "Last day to do X" type college course registration deadlines on those two days: https://www.google.com/search?q="last+day"+3%2F17%2F22+3%2F20%2F22&hl=en https://www.google.com/search?q="last+day"+3%2F17%2F22+3%2F2...