The Detroit Zoo is open 362 days a year, closing only on Thanksgiving Day, Christmas Day, and New Year’s Day.
|January||10 a.m. to 4 p.m.||Closed New Year's Day (Jan. 1)|
|February||10 a.m. to 4 p.m.|
|March||10 a.m. to 4 p.m.|
|April||9 a.m. to 5 p.m.||Spring/summer hours begin|
|May||9 a.m. to 5 p.m.|
9 a.m. to 5 p.m.
|July||9 a.m. to 5 p.m.||Open until 8 p.m. Wednesdays|
|August||9 a.m. to 5 p.m.||Open until 8 p.m. Wednesdays|
|September 1-2||9 a.m. to 5 p.m.|
|September 3-30||10 a.m. to 5 p.m.||Zoo opens at 10 a.m. after Labor Day (Sept. 7)|
|October||10 a.m. to 4 p.m.||Fall/winter hours begin|
|November||10 a.m. to 4 p.m.||Closed Thanksgiving Day (Nov. 26)|
|December||10 a.m. to 4 p.m.||Closed Christmas Day (Dec. 25)|