Code

var vTime as Int
var vConversion as Int
var vMeridian as String
var vConvertedTime as String

//I created a two seperate fields, Last_Modified_Time0 which equals @RecordModifiedTime() and
//Last_Modified_Date0 which equals @RecordModifiedDate() because if you try to work on those commands
//directly with this program, for whatever reason, it modifies the record. I then made those two
//additional fields invisible so you don't see them on the form, but work in the background.

Last_Modified_Date0 = @RecordModifiedDate()
Last_Modified_Time0 = @RecordModifiedTime()

vTime = @Left(Last_Modified_Time0, 2)

If vTime > 12
{
	vConversion = vTime - 12
	vMeridian = "pm"
}
Else
{
	vConversion = vTime
	vMeridian = "am"
}

vConvertedTime = vConversion + ":" + @Right(Last_Modified_Time0, 2) + " " + vMeridian

//Last_Modified0 is a read only, but not greyed out, text field that displays this text on form entry.

Last_Modified0 = "Last modified " + @MONTH$(Last_Modified_Date0) + " " + @Dom(Last_Modified_Date0)
+ ", " + @YEAR(Last_Modified_Date0) + " at " + vConvertedTime + "."

//Should display as "Last modified October 7, 2018 at 2:23 pm."