Based on a 40 hour, Monday-Friday work week. Holidays with pay included.
| Year | Month | Holidays | Work Days in Month | Work Hours in Month | 1/2 of Work Hours | Midpoint of Work Days in Month |
| 2007 | January | 1, 2, 15 | 23 | 184 | 92 | Noon, 1/16 |
| February | 19 | 20 | 160 | 80 | 8AM, 2/15 | |
| March | 30 | 22 | 176 | 88 | 8AM, 3/16 | |
| April | 21 | 168 | 84 | Noon, 4/16 | ||
| May | 28 | 23 | 184 | 92 | Noon, 5/16 | |
| June | 21 | 168 | 84 | Noon, 6/15 | ||
| July | 4 | 22 | 176 | 88 | 8AM, 7/17 | |
| August | 23 | 184 | 92 | Noon, 8/16 | ||
| September | 3 | 20 | 160 | 80 | 8AM, 9/17 | |
| October | 23 | 184 | 92 | Noon, 10/16 | ||
| November | 12, 22, 23 | 22 | 176 | 88 | 8AM, 11/16 | |
| December | 24, 25, 31 | 21 | 168 | 84 | Noon, 12/17 | |
| 2008 | January | 1, 21 | 23 | 184 | 92 | Noon, 1/16 |
| February | 18 | 21 | 168 | 84 | Noon, 2/15 | |
| March | 28 | 21 | 168 | 84 | Noon, 3/17 | |
| April | 22 | 176 | 88 | 8AM, 4/16 | ||
| May | 26 | 22 | 176 | 88 | 8AM, 5/16 | |
| June | 21 | 168 | 84 | Noon, 6/16 | ||
| July | 4 | 23 | 184 | 92 | Noon, 7/16 | |
| August | 21 | 168 | 84 | Noon, 8/15 | ||
| September | 1 | 22 | 176 | 88 | 8AM, 9/16 | |
| October | 23 | 184 | 92 | Noon, 10/16 | ||
| November | 11, 27, 28 | 20 | 160 | 80 | 8AM, 11/17 | |
| December | 24, 25, 31 | 23 | 184 | 92 | Noon, 12/16 | |
| 2009 | January | 1, 19 | 22 | 176 | 88 | 8am, 1/15 |
| February | 16 | 20 | 160 | 80 | 8am, 2/16 | |
| March | 27 | 22 | 176 | 88 | 8am, 3/17 | |
| April | 22 | 176 | 88 | 8am, 4/16 | ||
| May | 25 | 21 | 168 | 84 | Noon, 5/15 | |
| June | 22 | 176 | 88 | 8am, 6/16 | ||
| July | 3 | 23 | 184 | 92 | Noon, 7/16 | |
| August | 21 | 168 | 84 | Noon, 8/17 | ||
| September | 7 | 22 | 176 | 88 | 8am, 9/16 | |
| October | 22 | 176 | 88 | 8am, 10/16 | ||
| November | 11, 26, 27 | 21 | 168 | 84 | Noon, 11/16 | |
| December | 24, 25, 31 | 23 | 184 | 92 | Noon, 12/16 |