It's been a wee while since I've created scheduled workouts and sent them to a device, and something I've not done using Garmin Connect. I've just created a marathon programme's worth of workouts, put them in the calendar and sent them to one of our 920Xts. When they reach the device, all the workouts are scheduled 1 day late.
Back in the days of Garmin Training Centre this used to happen if I sent scheduled workouts from GTC on the Mac. If I copied the same workouts to GTC on Windows and then sent them all would be well. It's clearly an issue that's been overlooked. I can't find any results from searching for similar problems, which I find a little surprising. Unless of course there aren't that many of us in the southern hemisphere scheduling workouts.
Here's a link to the calendar - http://connect.garmin.com/proxy/calendar-service/export/f926adcd0c864fdba2d27c56e3c5a19e
I can of course slip them all a day and correct them that way, but that's a PITA.
Update:
I did slip them back a day in the calendar on GC and they now appear in the correct place on the calendar on the device.