| date | place | activity | notes |
|------------------+---------+---------------------------+------------------|
| <2010-03-19 Fri> | | | dummy |
| <2010-03-20 Sat> | | | |
| <2010-03-21 Sun> | moon | collect rocks | |
| <2010-03-22 Mon> | jupiter | thrash around the red dot | |
| <2010-03-23 Tue> | mars | see the little green men | |
| <2010-03-24 Wed> | earth | | home, sweet home |
#+TBLFM: @2$1 = <03-19-2010>::$1 = @-1$1 + 1
Exactly what I wanted! I can insert days, move them around, and just hit C-u C-c C-c to have it update. I'd like to understand how it works though, if you don't mind. What does the ::$1 synax mean? And how did it know that we were dealing with a date?