There’s lots of power in cleartool find.
Here’s a bit of code I use frequently to find all of the checkins that have happened on the main branch from some date until now:
cleartool find . -name '*' -ver 'version(\main\LATEST) && created_since(30-March-2011)' -print
Trackbacks/Pingbacks
[...] is related to finding clearcase checkins since a given date. Find all of the checkins between two labels. ct find . -name '*' -version 'version(mainLATEST) [...]