From my understanding the cal aligns day-of-week to day-of-month but there is no slider to adjust for 28 or 29 or 30 or 31 days. Doing the knuckle dance every

From my understanding the cal aligns day-of-week to day-of-month but there is no slider to adjust for 28 or 29 or 30 or 31 days. Doing the knuckle dance every time you glance at it, to know whether to change the month already, seems annoying. (Yeah you'd memorize it for that month after a bit, but still you have to pay attention.)