"If the plant sees more than 14 hours of light in a 24 hour period the flowering hormones cease activity"
that schedule says...
9.5 on/12 off
9.5 on/12 off
21.5 on/12 off
21.5 on/ 12 off
21.5 on/ 12 off
dude said plant will stop growing flowers if it see's more than 14 hours of light