How to change hour from 1 of the 4 used grab site_ini file's

I use 4 different site_ini file and channels in 1 file to download from horizon, yelo, canaldigitaal and radiotimes, everything goes good to grab, 212 channels been grabbed, but the radio time channels are +1 hour before the time it must be,
how can I change my file so all the grabbed channels are ok in time on the xml file.
only radio time channels running 1 hour in present so a programma begins a hour to early.
have somebody a solution to make this ok so radiotimes is +0 hour for the grab??????
it must be in 1 file all the channels so I have the info how I can change that problem.
thanks in advance for the solution.