opk/ovulation date confusion HELP

hannah • 𝚝𝚘𝚘 𝚏𝚛𝚊𝚐𝚒𝚕𝚎 𝚝𝚘 𝚛𝚞𝚗 𝚠𝚒𝚝𝚑 𝚝𝚑𝚎 𝚠𝚘𝚕𝚟𝚎𝚜 • 𝚒𝚗𝚍𝚒𝚐𝚘 𝟸𝟶𝟷𝟾 • 𝚢𝚞𝚖𝚒 𝟸𝟶𝟸𝟶 ☾

can someone please tell me what an opk looks like on the day of ovulation? glow tells me i ovulated on sunday but i didn’t realize until sunday, i took an opk and the test line wasn’t as dark as the control line. i’ve taken one every day since and the line keeps getting lighter. does it sound like i ovulated on sunday?? please help!!