Assume that two critical jobs are scheduled to run every week at the following times.
Job 1 runs from 07:00 to 10:00 on Tuesday and Wednesday.
Job 2 runs from 08:00 on Saturday to 13:00 on Sunday.
The following table uses “1” to indicate when job 1 runs and “2” to indicate when job 2 runs:
Day  | 
Time  | 
00:00  | 
01:00  | 
02:00  | 
03:00  | 
04:00  | 
05:00  | 
06:00  | 
07:00  | 
08:00  | 
09:00  | 
10:00  | 
11:00  | 
12:00  | 
13:00  | 
14:00  | 
15:00  | 
16:00  | 
17:00  | 
18:00  | 
19:00  | 
20:00  | 
21:00  | 
22:00  | 
23:00  | 
00:00  | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mon  | 
||||||||||||||||||||||||||
Tues  | 
1  | 
1  | 
1  | 
1  | 
||||||||||||||||||||||
Wed  | 
1  | 
1  | 
1  | 
1  | 
||||||||||||||||||||||
Thurs  | 
||||||||||||||||||||||||||
Fri  | 
||||||||||||||||||||||||||
Sat  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
|||||||||
Sun  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
2  | 
Job 1 can be covered by a single time range, tu_wed_7_10:
sp_add_time_range tu_wed_7_10, tuesday, wednesday, "7:00", "10:00"
Job 2, however, requires two separate time ranges, for Saturday and Sunday:
sp_add_time_range saturday_night, saturday, saturday, "08:00", "23:59" sp_add_time_range sunday_morning, sunday, sunday, "00:00", "13:00"