Hi Kiran,
Thank you for your feedback.
1) I used your PHP snippet and it seems to work properly, thank you.
2) Yes, I have translated GD core and Event Manager plugin in WPML, at least the strings that I found until now (I also did a test by translating all remaining strings for “August” to see if it would get translated in the calendar but it still doesn’t change anything). The calendars for “Start date” and “End date” appear correctly (see first two screenshots), the issue is that the appearance, first day of week and language for the calendar under “Recurring event” >> “Repeats = Custom” differ completely (see third screenshot), as if they were created with a completely different component (as also proven by the different classes in the resulting frontend code). In addition it seems that this calendar is not localized (see test described above for the string “August”, but nothing has changed in the frontend).
NB: I will send you admin credentials in the next (private) reply.
Kind regards,
Aron