Not yet, congrats on the grow, looks great.
Your harvest time frame will come when your plants trichomes start to mature and she thickens up a bit.
trichomes that are mostly cloudy and a few amber is the best time. Link below is a good little tool to spot trichomes
https://www.amazon.ca/Universal-Phone-Camera-Lens-Smartphones/dp/B07C923LVJ/
google trichome chart to find visuals of what your looking for.
This is from my diary of that lens in action. they do an ok job.
https://bucket.
growdiaries.com/static/post/photo/31185/1657265_fastbuds-blackberry-grow-journal-by-m0usefastbudsblackberry.jpg
defiantly have some time left. maybe 4 weeks maybe 3.
Best of Luck and Happy Growing!