They were almost all written at different times and at a closer look are all inconsistant.
http://www.geocities.com/b_r_a_d_99/jesusappear.htm
http://64.233.161.104/search?q=cache:j5pHHkkM0w4J:www.ptsem.edu/know/pr-bin/Thomp
son2005_lecture.pdf+inconsistency+in+the+
gospels&hl=en
http://www.holysmoke.org/wb/wb0007.htm
I guess it's a matter of faith.