flower times

Tring to decide when to dry my swiss cheese plant its been in flower for 5 wks now

Hello, This is my first grow and so far it's going great but... -growing info: my plant is about 5 weeks old from seed , I'm growing in soil in a small closet with a fan over it 24/7, under 3 80w CFLs 6500k when it was in veg then replaced them with 2700k when changed to flowering cycle, and i...

Curios as searching has given me conflicting answers but when they say on the flower time 7-8 weeks when does that clock start? Is it from day 1 of putting them in flower? Or is it after the stretch and the pistils and buds start showing? One reason I ask is I have a Hindu Kush and all the info...