Note that the time to change is set for 10am, and the table shows the calculated image number for Midnight and Noon - before and after the Hour to Change value. This part of the calculation only comes into play on days where the Current DOW is equal to the DOW to Change.
This script generates file numbers from 1-52.
| Current Date | Day of Yr | Day of Yr Adjusted |
Current DOW | Calculated DOW | Image No @ Midnight |
Image No @ NOON |