Need answers!

Shaniqua • Meet me at my YouTube Channel Now! What are you Waiting for Goooo👉👉👉 HEARTBEAT 808 ❤💛

Do you count the first day you dtd as day 1 or the day after will be day 1?

For example:

I dtd July 20 @2pm and ovulated July 24. So did I dtd 4 days before ovulation or 3 days before?

Hopefully I'm making sense🙈