2 month old sleeping at midnight

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Can any one please give me tips and tricks on getting my baby to bed lastest at 10 I wake up for work at 330 and she goes to bed around 12-1 I have a month before I have to go back to work

My usual routine is she goes to bed wakes up every 3-4 hours and I sleep in with her til 12 which is my first problem then if she’s in the car seat when I’m running errands she still sleeping then for bed I change her to pjs eats swaddled and bed