Good info, cool that you have that.
How far back can you go in the history? I know It's possible to go through Wiki to check dates (and hence day of week) (but not tip times), but that's a lot of work.
UCLA '97 seems like it was Friday night. MSU '00 was Saturday.
1986 first weekend was Friday (Miami U) and Sunday (U-M), I remember that vividly (and without looking I'm pretty sure NC State S16 was Friday).
A few others I recall but some I'd have to cheat.
1944 - Kansas City (Fri 9:30 CT; Sat 9:30 CT)
1985 - Tulsa (Thu 12:30 CT)
1986 - Minneapolis (Fri 2:30 CT; Sun 3:40 CT); Kansas City (Fri 6:30 CT)
1988 - Hartford (Fri 12:00 ET)
1989 - Atlanta (Fri 9:30 ET)
1992 - Worcester (Fri 3:00 ET; Sun 2:30 ET)
1993 - Tucson (Fri 8:40 MT)
1995 - Tallahassee (Fri 12:15 ET; Sun 2:45 ET)
1996 - Dallas (Thu 7:00 CT; Sat 1:20 CT)
1997 - Auburn Hills (Thu 3:00 ET; Sat 4:40 ET); San Antonio (Thu 10:00p CT)
2000 - Minneapolis (Thu 1:55 CT; Sat 4:30 CT); Auburn Hills (Thu 10:00p ET; Sat 7:00 ET)
2001 - Boise (Thu 8:27 MT)
2005 - Charlotte (Fri 12:30 ET; Sun 2:30 ET)
2012 - Louisville (Thu 9:30 ET; Sat 7:55 ET)
2013 - Dayton (Fri 9:45 ET; Sun 12:15 ET)
2014 - San Antonio (Fri 9:07 CT; Sun 4:20 CT); New York (Fri 7:27 ET)
2015 - Louisville (Thu 12:40 ET)
2016 - Denver (Thu 12:00 MT; Sat 4:10 MT); Chicago (Fri 6:10 CT)
2017 - Milwaukee (Thu 8:57 CT; Sat 8:50 CT)
2019 - Tulsa (Fri 8:46 CT)
2022 - Milwaukee (Fri 6:58 CT; Sun 5:11 CT); Chicago (Fri9:21 CT)
2023 - Greensboro (Fri 3:30 ET)
2024 - Omaha (Thu 6:40 CT; Sat 5:15 CT); Boston (Thu 10:15p ET)