Induction????

Suniia • Hello , my name is Suniia I am 21 and me and my DH is expecting our second child May10th 2016.
When going in for an induction how soon do they give you the medicine to jump start labor? Mines is scheduled for May13th at 8pm but I don't want my baby born on friday the 13th 😣😣😣😟😤