Buses in Copenhagen run from 5 in the morning from Monday to Saturday and from 6 on Sunday until around half past midnight.
Late Night Bus in Copenhagen
There are also few buses running through night. They have following numbers: 81N, 82N, 83N, 84N, 85N and 92N, 93N, 94N, 95N, 96N, 97N and operate from the city center of Copenhagen. There are also night several bus services around the whole Denmark.
A good contribution to Copenhagen’s tourism is the Harbor Bus, which makes several crossings a day and takes you to Holmen, Christianahavn from Nordre Tolbod, Nyhavn and the Royal Library. The lines operating there are 901, 902 and 903.