The closing time for Planet Fitness can vary depending on the location and the day of the week. While many Planet Fitness gyms operate 24 hours, some locations may have specific hours of operation, especially on weekends or holidays.
To get the most accurate information, it's best to check the official Planet Fitness website or use their mobile app to find the hours for your specific location. If you have a particular gym in mind, you could also call them directly for information regarding their closing time for the evening.