Hours of daylight as a function of day of the year and latitude Posted on 2020/03/10 by Carl Robitaille Hours of daylight as a function of day of the year and latitude Hours of daylight as a function of day of the year and latitude. Took me a second to read this chart. Totally worth the second of effort. A marvellous animation. Source: https://t.co/pJk5c4vM2z pic.twitter.com/sNyAUm2OhY— Simon Kuestenmacher (@simongerman600) November 13, 2019