Calender

Hi Franky, When I open the event date bar the calender then opens, the Month and days are correct but the days accross the top are as follows:
Mo Th Su We Sa Tu Fri. The system works OK just looks wrong and I don`t know how to correct this. Hope you can help, Many thanks
Graeme Bruce

https://ww.wp.xz.cn/plugins/events-made-easy/