Format Date and Times for galleries- Power Apps

Put the below in your "Text" property:

Text(ThisItem.YourColumnName,"hh:mm AM/PM")


Example and below results:

Text(ThisItem.BackToHHSDTime,"hh:mm AM/PM")






Date and Time Formats:

Enum Format Text Format Result
LongDate “dddd, mmmm d, yyyy” “Friday, January 15, 2021”
LongDateTime “dddd, mmmm d, yyyy hh:mm:ss AM/PM” “Friday, January 15, 2021 5:00:00 PM”
LongDateTime24 “dddd, mmmm d, yyyy hh:mm:ss” “Friday, January 15, 2021 17:00:00”
LongTime “hh:mm:ss AM/PM” “5:00:00 PM”
LongTime24 “hh:mm:ss” “17:00:00”
ShortDate “m/d/yyyy” “1/15/2021”
ShortDateTime “m/d/yyyy hh:mm AM/PM” “1/15/2021 5:00 PM”
ShortDateTime24 “m/d/yyyy hh:mm” “1/15/2021 17:00:00”
ShortTime “hh:mm AM/PM” “5:00 PM”
ShortTime24 “hh:mm” “17:00”
UTC   “2021-01-15T23:00:00.000Z”