Here it is written, that you have 1560 hours, 1560 hours can be completed in 9 months, if person works full time for 40 hours. So, person is eligible for CEC after 9 months?
http://www.cic.gc.ca/english/immigrate/cec/apply-who.asp
http://www.cic.gc.ca/english/immigrate/cec/apply-who.asp