It looks like you're new here. If you want to get involved, click one of these buttons!
How can I make the date picker start on monday ?
I have tried changing firstDay to 1 in custom_fields.js, but to no avail ...
Did you try first_day => 1 in the field parameters (not 'firstDay' => 1)?
No, I hadn't ... and it works ...
As usual, you rock !!