BUS – the A-buses are the primary buses in central Copenhagen. They drive every 3-7 minutes during rush hour (which is between 07:00-09:00 in the morning and 15:30-17:30 in the afternoon) and usually about every 10 minutes before and after rush hour. The A-buses serve at all hours.
The S-buses drive every 5-10 minutes during rush hour and every 20 minutes outside of rush hour. The S-buses are faster than the A-buses due to their making fewer stops. They usually serve between 06:00 in the morning and 01:00 at night.
Night buses are in service between 01:00 and 05:00 in the night. You can recognize the bus stops by the grey color of the bus stop signs. The night buses are all N buses, for an example 85N. As with the Metro,