May
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
| 1 Sunrise: 6:15am Sunset: 8:28pm | ||||||
| 2 Sunrise: 6:13am Sunset: 8:29pm |
3 Sunrise: 6:12am Sunset: 8:30pm | 4 Sunrise: 6:10am Sunset: 8:31pm | Sunrise: 6:09am Sunset: 8:32pm | 6 Sunrise: 6:08am Sunset: 8:34pm | 7 Sunrise: 6:06am Sunset: 8:35pm Weather permitting, Canyon to Lake, Lake to East Entrance opens to wheeled vehicles. Madison Campground | 8 Sunrise: 6:05am Sunset: 8:36pm |
| 9 Sunrise: 6:04am Sunset: 8:37pm |
10 Sunrise: 6:02am Sunset: 8:38pm | 11 Sunrise: 6:01am Sunset: 8:40pm | 12 Sunrise: 6:00am Sunset: 8:41pm | Sunrise: 5:59am Sunset: 8:42pm | 14 Sunrise: 5:57am Sunset: 8:43pm Tower to Tower Fall opens to wheeled vehicles. Lake to West Thumb, West Thumb to Old Faithful, and South to Old Faithful opens to wheeled vehicles. Cooke City via Colter Pass to the Chief Joseph Scenic Highway intersection to the Long Lake gate shall open as soon thereafter as possible. Fishing Bridge RV Park | 15 Sunrise: 5:56am Sunset: 8:44pm |
| 16 Sunrise: 5:55am Sunset: 8:45pm |
17 Sunrise: 5:54am Sunset: 8:46pm | 18 Sunrise: 5:53am Sunset: 8:48pm | 19 Sunrise: 5:52am Sunset: 8:49pm | Sunrise: 5:51am Sunset: 8:50pm | 21 Sunrise: 5:50am Sunset: 8:51pm Long Lake Gate over the Beartooth, and Tower Falls to Canyon will be open. | 22 Sunrise: 5:49am Sunset: 8:52pm |
| 23 Sunrise: 5:48am Sunset: 8:53pm |
24 Sunrise: 5:47am Sunset: 8:54pm | 25 Sunrise: 5:47am Sunset: 8:55pm | 26 Sunrise: 5:46am Sunset: 8:56pm | Sunrise: 5:45am Sunset: 8:57pm | 28 Sunrise: 5:44am Sunset: 8:58pm Bridge Bay Campground | 29 Sunrise: 5:44am Sunset: 8:59pm |
| 30 Sunrise: 5:43am Sunset: 9:00pm |
31 Sunrise: 5:42am Sunset: 9:01pm |
August / September / October / November / December

