Flowering/growing issues

MY PLANT STARTED FLOWERING AT THE 4TH WEEK NOW THE 6TH (SEE ALBUM PICTURES). SHOULD I PUT IT UNDER LIGHT FOR EXTRA HOURS? ITS GETTING 12/12 I AM ALSO IN THE SOUTHERN HEMISPHERE NOT THA ONLY 0NE WITH DIZ PROBLEM... WHAT CAN I DO??? ANYONE WITH SAME PROBLEM TELL ME YOUR ACTIONS AND RESULTS PLEASE TO BETTER JUDGE THIS ISSUE... THANKS

if u want it to continue the vegetative stage put it under 18 hours light. if u want it to finish flowering keep it at 12/12.