Talk:AnimeJapan 2016 Exhibition Commemoration Campaign/@comment-89.132.193.117-20160326120349

"15    Saint Quartz  will be given to all players who login at  March 28, 2016 3:59 (JST)"

Does that mean I won't get the quartz if I login for example at 3:58 or the "at" means "until" in this sentence?