1ST_DAY_OF_WEEK (System Preference)#
For calendar driven screens such as DTEDC, this preference indicates the day of the week that the calendar starts on. The default value is Sunday (value is 1).
Values allowed are:
| 1 | Sunday |
| 2 | Monday |
| 3 | Tuesday |
| 4 | Wednesday |
| 5 | Thursday |
| 6 | Friday |
| 7 | Saturday |
This preference can be set by site (IMST) or role (IMRO)
