The time in Linux Mint Debian Edition can be wrong compared to your Windows installation; this is easily fixed though.
Open the /etc/adjtime file in VIM.
Then change the last line from UTC to LOCAL as shown below.
deusexmachina ~ # cat /etc/adjtime 0.014261 1405441104 0.000000 1405441104 LOCAL
Then save the file and the changes will be ready to be applied immediately.
Run the hwclock command as root to set the proper time.
deusexmachina ~ # hwclock -s
And use the date command to see the new time setting.
deusexmachina ~ # date Wednesday 16 July 21:11:21 EST 2014
That is how easy it is to fix the time in LMDE. And you do not need a re-boot either.