BCD Clock:

• first install the BinarySymbolic.ttf font
• place the Script bcdClock.scpt e.g. to ~/Users/YOURNAME/Applications/geektool/
• open Geektools
• drop a new Shell to anywhere
• in the command section write osascript ~/Users/YOURNAME/Applications/geektool/bcdClock.scpt (or your Path)
• change the Fonttype to BinarySymbols

if you've more then one harddrive, the path to the Script should be /Volumes/DRIVENAME/Users/YOURNAME/Application/geektools/bcdClock.scpt

BinaryClock:

• put the Script binClock.scpt e.g. to ~/Users/YOURNAME/Applications/geektool/
• open Geektools
• drop a new Shell to anywhere
• in the command section write osascript ~/Users/YOURNAME/Applications/geektool/binClock.scpt (e.g. your Path)

if you've more then one harddrive, the path to the Script should be /Volumes/DRIVENAME/Users/YOURNAME/Application/geektools/binClock.scpt

Feel Free to modify
by @TortVanc