Jin Tian Shi Ji Yue Ji Hao (What date is it today?)

Jin tian = today
shi = is
ji yue = which month
ji hao = which date
Jin tian shi ji yue ji hao? = What date is it today?

Reference:
http://www.chinese-tools.com/learn/chinese/07-year-month-date-day.html
http://www.chinese-tools.com/phrasebook/07-date.html