Pregnancy test?

Hailey • 10-22-2013💛 Engaged to my best friend💍 CNA👩🏻‍⚕️
My period is supposed to come today. It's currently 2:03pm and still no sign of it. Should I test today or wait a day or two to see if it comes? Glow is usually on point with my period days, but sometimes they come a day late or a day early.