24.2.2006           some event
25-26.2.6           another event
25.2.-3.3.6         yet another event
24.2.6 13:00 1h     a one hour event, may also use 'm'
24.2.6 13:00-13:35  whoa! even that is possible...
Mondays             Without given time frame: -1 week, +12 weeks.
Wednesdays 17:15    Each wednesday
Mondays 17:15-18:15 Each monday evening
Thursdays 14:56 34m each thursday afternoon