I got this bug too on a freshly installed 10.10. Timezone is Paris/France. Same behaviour: when clicking on a day on the clock applet the calendar open on the day before. Maybe it has something to do with the starting day of the week (I use monday).
I got this bug too on a freshly installed 10.10. Timezone is Paris/France. Same behaviour: when clicking on a day on the clock applet the calendar open on the day before. Maybe it has something to do with the starting day of the week (I use monday).