Yes, you would create a new rule. If the template you are using has excel dates you can select the days and in conditional formatting use this formula. for example below you would select B6:H17 Where B6 is the first day and datelist!$A$1:$A$3 is your list [TABLE="class: grid, width: 893"] <tbody>[TR] [TD][/TD] [TD]A [/TD] [TD]B [/TD] [TD]C [/TD] [TD]D [/TD] [TD]E [/TD] [TD]F [/TD] [TD]G [/TD] [TD]H [/TD] [/TR] [TR] [TD]1 [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]2 [/TD] [TD][/TD] [TD]
Enter year: [/TD] [TD]
2017 [/TD] [TD]
Week start: [/TD] [TD]
S [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]3 [/TD] [TD][/TD] [TD]
2017 [/TD] [TD][/TD] [TD]
FEBRUARY -> [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]4 [/TD] [TD][/TD] [TD="colspan: 2"]
JANUARY [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]5 [/TD] [TD][/TD] [TD]
S [/TD] [TD]
M [/TD] [TD]
T [/TD] [TD]
W [/TD] [TD]
T [/TD] [TD]
F [/TD] [TD]
S [/TD] [/TR] [TR] [TD]6 [/TD] [TD][/TD] [TD]
1 [/TD] [TD]
2 [/TD] [TD]
3 [/TD] [TD]
4 [/TD] [TD]
5 [/TD] [TD]
6 [/TD] [TD]
7 [/TD] [/TR] [TR] [TD]7 [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]8 [/TD] [TD][/TD] [TD]
8 [/TD] [TD]
9 [/TD] [TD]
10 [/TD] [TD]
11 [/TD] [TD]
12 [/TD] [TD]
13 [/TD] [TD]
14 [/TD] [/TR] [TR] [TD]9 [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]10 [/TD] [TD][/TD] [TD]
15 [/TD] [TD]
16 [/TD] [TD]
17 [/TD] [TD]
18 [/TD] [TD]
19 [/TD] [TD]
20 [/TD] [TD]
21 [/TD] [/TR] [TR] [TD]11 [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]12 [/TD] [TD][/TD] [TD]
22 [/TD] [TD]
23 [/TD] [TD]
24 [/TD] [TD]
25 [/TD] [TD]
26 [/TD] [TD]
27 [/TD] [TD]
28 [/TD] [/TR] [TR] [TD]13 [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]14 [/TD] [TD][/TD] [TD]
29 [/TD] [TD]
30 [/TD] [TD]
31 [/TD] [TD]1 [/TD] [TD]2 [/TD] [TD]3 [/TD] [TD]4 [/TD] [/TR] [TR] [TD]15 [/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [TD][/TD] [/TR] [TR] [TD]16 [/TD] [TD][/TD] [TD]5 [/TD] [TD]6 [/TD] [TD]7 [/TD] [TD]8 [/TD] [TD]9 [/TD] [TD]10 [/TD] [TD]11 [/TD] [/TR] </tbody>[/TABLE]
Code:
=ISNUMBER(VLOOKUP(B6,datelist!$A$1:$A$3,1,0))
Which template did you use?