↑ ↑ ↑ ↑ - wot 'e sed
@
Pyjam - aaah - you'll need to use the template language, see ==>>
The calibre template language Template language is not something in which I have much expertise. I can give some hints though.
I would try doing the arithmetic to get hours and minutes as two discrete integers using then
divide function, and then use the
format-number and
strcat functions to create a string that is the column value.
BR