Nitnem is a collaboration of different banis that were designated to be read by Sikhs every day. The Nitnem banis usually include the Panj bania (5 banis below) and sometimes Rehiras Sahib and Kirtan Sohila.
The following Banis are normally read by practising Sikhs every day:
Japji Sahib
Jaap Sahib
Tav-Prasad Swaiye
Chaupai Sahib
Anand Sahib
Rehras Sahib
Sohila
The first 5 Banis are usually recited in the early morning while Rehiras is read in the evening around 6pm. Sohila is cited just before going to sleep at night.