Best time..

Nic • 🏴󠁧󠁢󠁳󠁣󠁴󠁿 Scotland 👼🏼 MC 11.8.18 ➕ BFP 8.11.18 🌈 due 15.7.19 💙 Our little Ruaridh, born 17.7.19 at 3.06am 💙

When is the best time in the day to so an ovulation test? According to Glow I am due to ovulate on Wed, should I take my first test today or tomorrow? Thanks for help!