Day of the Week Color of Datepicker in WooCommerce Bookings

.ui-datepicker-calendar tr th:first-child  { /* Mon */
    background-color: green; 
}
.ui-datepicker-calendar tr th:first-child + th { /* Tue */
    background-color: green; 
}
.ui-datepicker-calendar tr th:first-child + th + th { /* Wed */
    background-color: green; 
}
.ui-datepicker-calendar tr th:first-child + th + th + th { /* Thu */
    background-color: green; 
}
.ui-datepicker-calendar tr th:first-child + th + th + th + th { /* Fri */
    background-color: green; 
}
.ui-datepicker-calendar tr th:first-child + th + th + th + th + th { /* Sat */
    background-color: blue; 
}
.ui-datepicker-calendar tr th:first-child + th + th + th + th + th + th { /* Sun */
    background-color: red;
}

RainbowLink Inc. ( 株式会社レインボーリンク )

https://jp.Rainbow-Link.com/

RainbowLink Inc.
https://www.Rainbow-Link.com/