How do u force a plant to flower when growing indoors

[blueberrykush#1]

this is my first time growing indoors and i need a little bit of help. how do u force the plant to flower? any answers or comments is much appreciated!

 

[BlackTurboTeg]

u set the light cycle to 12/12

 

[blueberrykush#1]

thanks man!

 

[BlackTurboTeg]

no prob