solution = THE PERPETUAL CALENDAR (the ultimate GREEN date keeper, as long as you can find something you love and won't get tired of... and remember to "wind" each day.)
The following are some of my favorites:
Perpetual Calendar (1959)
by Enzo Mari
$ 160.00 available at hive modern
antique mahogany and brass desktop perpetual calendar
$ 225 at rubylane antiques
Antique Sterling Silver Perpetual Calendar
$ 575.00 at Tudor Rose Antiques