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SID Observed Holidays
2023
| New Year's Day | Monday, January 2 |
| President's Day | Monday, February 20 |
| Memorial Day | Monday, May 29 |
| Independence Day | Tuesday, July 4 |
| Labor Day | Monday, September 4 |
| Columbus Day | Monday, October 9 |
| Thanksgiving Day | Thursday, November 23 |
| Day after Thanksgiving | Friday, November 24 |
| Christmas Eve | Friday, December 22 |
| Christmas Day | Monday, December 25 |
| New Year's Eve | Friday, December 29 |
2022
| New Year's Day | Monday, January 3 |
| President's Day | Monday, February 21 |
| Memorial Day | Monday, May 30 |
| Independence Day | Monday, July 4 |
| Labor Day | Monday, September 5 |
| Columbus Day | Monday, October 10 |
| Thanksgiving Day | Thursday, November 24 |
| Day after Thanksgiving | Friday, November 25 |
| Christmas Eve | Friday, December 23 |
| Christmas Day | Monday, December 26 |
| New Year's Eve | Friday, December 30 |