I don’t know when I ovulated please help !!

Hey girls I started my period on the 31st October ended on the 6th November and was supposed to come on either yesterday or today I found out I was pregnant yesterday I did a clear blue digital test today and it says 1-2 on the leaflet 1-2 is 3-4 weeks I just wanna pin point when I ovulated so I know how many weeks I am ❤️