74,75c74,75
<                         // 2 Jan 2000 was a Sunday
<                         text: Qt.formatDateTime(new Date(2000, 0, 2 + Qt.locale().firstDayOfWeek + index, 12), "ddd")
---
>                         // 3 Jan 2000 was a Monday
>                         text: Qt.formatDateTime(new Date(2000, 0, 3 + index, 12), "ddd")