Ttc I feel like I dint know what I'm doing with regards to ovulating!

I've been off the pill for 6 months and I'm pretty regular. When it comes to knowing when I'm ovulating I think I know as for 2 days I feel pain on my right side. When is the best time to try? After the pain for 2 days I get mucous does this mean I've definitely ovulated? It's for our 1st baby I know it takes time sometime but I just want to educate myself more because it's all so ne