Yes and no. The Iraq War began on March 20 in Iraq at about 5:30 a.m. In the U.S., it was still March 19. The Libya War began on March 19 in Libya at about 6:45 p.m. In the U.S., it was also March 19. So, if looking at local time, no, but if looking at U.S. time, yes.
4:29 pm on March 23, 2011