Conditional formatting

I have a column of cells representing days of the week running Friday to Thursday. Each cell is time formatted 00:00
How would I do the following Only If each cell contained a time greater than 00:00 between Friday and Thursday change all to red or perhaps another cell somewhere on the sheet.
Eg if each cell F10:F17 were all greater than 00:00 change to red
Or is there another way to complete this