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Admission is free!
The Smithsonian's National Zoo is open every day of the year except Dec. 25.

Please be aware that certain attractions, including the Speedwell Conservation Carousel, along with animal demonstrations and outdoor animal viewing, are weather dependent.


Grounds: 8 a.m. to 7 p.m. (last admittance 6 p.m.) | 5 p.m. closing in winter* 
Exhibit Buildings: 9 a.m. to 6 p.m. | 4 p.m. closing in winter* (Amazonia opens at 10 a.m. year round)
Dining & Shopping: 10 a.m. to 5 p.m. | 4 p.m. closing in winter*
Visitor Center: 8 a.m. to 6 p.m. | 4 p.m. closing in winter*

*Winter hours begin Oct. 1 and run through March 14. Exact dates may vary each year. Please check back for updates.

Time Machine

The Time Machine helps you plan a visit to the Zoo by allowing you to select a date to see future hours. Please note that hours are subject to change due to special events, inclement weather and unscheduled closures, so we recommend checking in again closer to your visit.
Choose the day you're planning to visit the Zoo.