Standard tuning. Capo on 6; played relative to capo.
It's not completely right because the open A's should be down an octave for G#4,
but that would be a hassle.
And keep practicing, I haven't even completely nailed it yet, I just slowed the song
waaaay down and wrote it down from there. Otherwise enjoy! :)
X=rest
[ Tab from: http://www.guitaretab.com/o/owl-city/210211.html ]
e--4--0X------0X---------X--------04--0X----------X----X--------X|
B------X-------X---------X-------------X-----32---X----X--------X|
G------X2--424-X2-----2--X-----24------X2--42--2--X----X------24X|
D-2--2-X--2----X-0-424--0X042-2-----2--X--2------0X4-02X-4042---X|
A------X-0-----X--0----0-X-----------2-X-0--------X-0--X0-------X|
E0--0--X-------X---------X---2---0-----X----------X----X-----2--X|
