The C# guitar chord and Db guitar chord are enharmonic, this means the two different names refer to the same pitch and chord. Depending on the key you're playing in you may see this chord referred to as either C# major or Db major. Whichever label is used the fingering for this chord is the same.
The first fingering is derived from an open C major chord, shifted up 1 fret, creating a C sharp / D flat chord.
The next fingering is a barre chord with the root note on the A string.
To play the barre chord place your finger firmly behind the 4th fret.
Major chords use these notes from the major scale: 1, 3, 5
C# uses these notes = C#, E#, G#
Db uses these notes = Db, F, Ab
Check back soon for another guitar chord of the day.