Appropriate labels for multiple times entry fields

I am working on an app where the user can book a service and can select upto 3 occurrence of that service per day. This means the user needs to be prompted to enter three distinct times of the day. I am wondering how I should label the time fields.

At first go, "Time 1" , "Time 2" ... comes to mind but for sone reason it doesn't feel right.

What would be the recommended way to label the time fields?

PS: This may not be relevant to the question but I am going to put the "Time fields" as individual rows instead of cramming them all into one row (as shown in the picture), perhaps also because there could be more than 3 times per day in the future and the overall look of the form.