Holiday and Seasonal Hours
The Zoo is open every day of the year except for Dec. 25 (Christmas) and Jan. 1 (New Year’s Day). The Zoo's hours change based on seasons and select holidays, listed below. Please note that operating hours are subject to change.
Call Guest Relations at (314) 781-0900, option 2, for the most up-to-date information.
Holiday Hours
| Session Dates | Days | Daily Times |
|---|---|---|
Martin Luther King Jr. Day
|
Monday, Jan. 16, 2023 |
9 a.m. to 4 p.m.
|
|
Presidents Day
|
Monday, Feb. 20, 2023 |
9 a.m. to 4 p.m.
|
Spring Hours
| Session Dates | Days | Daily Times |
|---|---|---|
|
March 4 through May 25, 2023
|
Daily |
9 a.m. to 5 p.m.
|
Summer Hours
The Zoo offers extended hours for Summer Zoo Weekends.
| Session Dates | Days | Daily Times |
|---|---|---|
|
May 26 through May 29, 2023 (Memorial Day Weekend)
|
Daily |
8 a.m. to 6:30 p.m.
|
|
May 30 through June 1, 2023
|
Daily |
8 a.m. to 5 p.m.
|
|
June 2 through Aug. 19, 2023
|
Fridays and Saturdays |
8 a.m. to 6:30 p.m.
|
|
June 4 through Aug. 20, 2023
|
Sundays through Thursdays |
8 a.m. to 5 p.m.
|
|
Aug. 21 to Sept. 1, 2023
|
Daily |
9 to 5 p.m.
|
|
Sept. 2 to Sept. 4, 2023 (Labor Day Weekend)
|
Daily |
8 a.m. to 6:30 p.m.
|