- Change "Open 24 hours Text" to "By Appointment Only"
- In the data tab, for days which you want to show as "by appointment only" enter the hours as 24 hours.
start 12:00 AM and end time 11:59 PM

- In the view tab, select "Display open 24 hours for certain days"

Business Hours

21Friday
TodayClosed
8:00 AM - 4:00 PM

Mon
By Appointment Only
Tue - Wed
8:00 AM - 4:00 PM
Thu
By Appointment Only
Fri - Sat
8:00 AM - 4:00 PM
Sun
Closed All Day