Your Pet Sitter Plus system should have been pre-configured with the most commonly used time format appropriate to your region, but if you need to change your time format, here's how.
Navigate to ADMIN > SETTINGS > Date & Time Formats > Time Format
The “Time Format ” options are
24-hour format (Military Time). Where 1:00pm shows as 13:00
12-hour format. Where time shows as am/pm.
Time blocks showing on a service order in 24 hour (Military Time) format.
Time blocks showing on a service order in 12 hour (am / pm) format.