@article{179481, author = {Michael Lombardi}, title = {Why is a minute divided up into 60 seconds, an hour into 60 minutes, and only 24 hours in a day?}, year = {2007}, month = {2007-03-03}, publisher = {Scientific American}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50491}, language = {en}, }