How long would it take to see a difference in my hair if I was balding? Hair looks exactly the same over the last 8-9 months.

I've been concerned about balding ever since about March 2022. I've been taking almost near daily pictures of my hair and monitoring my hair closely. Hair density, crown, Hairline, shedding, everything. I haven't been able to notice any difference in my hair over these 8 month span, so I'm not sure if I'm balding. How long would it take to see a difference in my hair if I was balding? My hairline doesn't appear to have moved even a milimeter since I started worrying