Can you measure, with accuracy? Try 
Ah, I think we are not measuring some kind of nuclear reaction here

. So, 1-2 mins of error wouldn't matter!

Merci
I doubted it couldn't be simply 'half', too easy else.
D' rien!

Don't candles usually have two ends?
Umm... I don;t think so..

The candles here have a base, which is flat and the wick is not visible from outside. Maybe its different in other places too.