how many hours in a day Share with your friends Share 1 Bangalore answered this 24 hours make up a day. 7 days make up a week. 4 weeks make a month. 4 View Full Answer Gayatri answered this 24 HRS 1 Anwesha Raj answered this 24 hours 2 Vedant Kapse answered this 24 HRS MADE UP ONE DAY -1