Based on the pictures from your diary you still have quite some time left. A month or so giver take.
You can see the pistols are still white with very few orange ones this is and indicator that your plant is not ready.
In the coming weeks you will see an explosion in growth on your flowers and over time the pistols become orange.
Once your pistols have mostly turned oranges and the formation of new white ones slows down you know your plants almost ready.
From this point you can check every couple days or even daily on your trichomes to see how how cloudy/amber they’re becoming.
Depending on the desired effect you want, you can harvest when they are all cloudy accompanied with some Amber ( this is the highest thc levels ) or if you want the “couch lock effect” wait a little longer will most of the trichomes are Amber.
I hope this information helps you on your quest to harvest day!
-The Projexx