Schedules of a one nap a day toddler?

My 13 month old usually has a 2.5 hour nap in morning after breakfast and getting ready and then a 30min nap approx 4pm ish

He seems to be pushing back his morning nap into a later one nap

I’m trying to figured out adjusting best times to feed him lunch etc now.

He’s on 3meals a day with 2 light snacks in between meals

Please can you give examples of your schedules for your toddlers that nap once a day

thanks