IUI advice

How late is too late for an <a href="https://glowing.com/glow-fertility-program">IUI</a> after first equal positive OPK & how late is too late after a blazing positive? I got an equal positive around 8 last night and a BLAZING around 530 pm today. <a href="https://glowing.com/glow-fertility-program">IUI</a> is tomorrow morning. will it be too late?