The plants look very sativa dominate which normally have a long flowering period(around 10 weeks).
From everything I have read and seen even going 12/12 from seed plants still veg for about 2 weeks unless there auto flowering.
That would put you right around 8 weeks flowering.
I'd say...
While lumens are not a good way to measure light for plants people still use it as a rule of thumb. This is due to the fact that with a ? Like this 120W might be good for one plant in a 1.5x1.5 space but not enuff for one in a 3x3. Also while lumens are a measure for the human eye in almost all...