Fix monthly repeats on specific day when in non-english language. xibosignage/xibo#2467
Fix monthly repeats on specific day when in non-english language. xibosignage/xibo#2467

(cherry picked from commit 6a48e0ce76f00a5471475a83132ee38a74a516b8)

alexharrington/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,xibosignage/xibo-cms,dasgarner/xibo-cms,alexharrington/xibo-cms,xibosignage/xibo-cms,alexharrington/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,alexharrington/xibo-cms,xibosignage/xibo-cms,alexharrington/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms,dasgarner/xibo-cms