Interestingly, that seems to have been an Arians issue. In every one of the last 5 years the Cardinals have done better in the Eastern time zone than overall:
2019: 5-10-1 overall, 4-4 in ET (W Bengals, Falcons, Giants, Browns) (L Ravens, Panthers, Buccaneers, Steelers)
2020: 8-8 overall, 5-4 in ET (W WFT, Jets, Bills, Giants, Eagles) (L Lions, Panthers, Dolphins, Patriots)
2021: 11-6 overall, 2-2 in ET (W Jaguars, Browns) (L Panthers, Lions)
2022: 4-13 overall, 1-4 in ET (W Panthers) (L Eagles, Patriots, Buccaneers, Falcons)
2023: 4-13 overall, 3-5 in ET (W Falcons, Steelers, Eagles) (L Commanders, Giants, Bengals, Ravens, Browns)
Kingsbury: 28-37-1 (0.432), 12-14 (0.462) in ET
Gannon: 4-13 (0.235) overall, 3-5 (0.375) in ET
Last 5 years: 32-50-1 (0.392) overall, 15-19 (0.441) in ET