Press Release from JAXA:
Mitsubishi Heavy Industries, Ltd. and the Japan Aerospace Exploration Agency (JAXA) launched the Lunar Orbit Explorer "KAGUYA" (SELENE) by the H-IIA Launch Vehicle No. 13 (H-IIA F13) at 10:31:01 a.m. on September 14, 2007 (Japan Standard Time, JST) from the Tanegashima Space Center.
The launch vehicle flew smoothly, and, at about 45 minutes and 34 seconds after liftoff, the separation of the KAGUYA was confirmed.