If you have unprotected sex on ovulation day but towards the beginning of it like midnight of the day of ovulation does that make the chances higher?

That is good timing: If you wish to become pregnant. Having sex for a couple days before ovulation is also ideal. Take care.

Yes: Sperm can live for several days. So before and after ovulation is considered your most fertile period. Unless you want conceive, use birth control routinely since the ovulation day changes a bit from cycle to cycle by a day or two. It is rare to be perfectly on the dot on day 14 of a28 day cycle.