This table is sortable by clicking on the header
| Year | Reg Date | Alternate Date |
|---|---|---|
| 2026 | May 6 - Wed - AM | May 18 - Mon - PM |
| 2025 | May 7 - Wed - AM | May 19 - Mon - PM |
| 2024 | May 8 - Wed - AM | May 22 - Wed - PM |
| 2023 | May 3 - Wed - AM | May 17 - Wed - PM |
| 2022 | May 4 - Wed - AM | May 18 - Wed - PM |
| 2021 | May 5 - Wed - AM | May 18 - Tue - PM |
| 2020 | May 13 - Wed - PM | Jun 2 - Tue - PM |
| 2019 | May 8 - Wed - AM | May 24 - Fri - AM |
| 2018 | May 9 - Wed - AM | May 25 - Fri - AM |
| 2017 | May 3 - Wed - AM | May 19 - Fri - AM |
| 2016 | May 4 - Wed - AM | May 20 - Fri - AM |
| 2015 | May 6 - Wed - AM | May 22 - Fri - AM |
| 2014 | May 8 - Thu - AM | May 23 - Fri - AM |
| 2013 | May 9 - Thu - AM | May 24 - Fri - AM |
| 2012 | May 10 - Thu - AM | May 25 - Fri - AM |
| 2011 | May 5 - Thu - AM | May 20 - Fri - AM |