Exact branching date?

[Sensei]

Hi. I'm new to branching, I always used it just as tagging versions,  
never joining back with head... so pleas excuse me being naive :)

I'd like to know if it's possible to know the exact date when a  
branching has been applied, without sticky dates, since I have none  
in my repository.

I'd like to diff some versions with the head, but using diff files  
from the original branching date to the lates branched version, and  
then but it back on head... but I need the branching date! :)

Thank you!


PS. I know how to deal with diffing, tagging and basic things like  
date-based checkout... but this specific issue seems not covered in  
the faq...

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Sensei <address@hidden>

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