Boundless, 21 Jul. 2015. Retrieved 10 Oct. 2015 from https://www.boundless.com/chemistry/textbooks/boundless-chemistry-textbook/atoms-molecules-and-ions-2/types-of-chemical-bonds-36/ionic-bonds-207-1862/.
Daylight Hours: 11 hours, 21 minutes (-2m 42s) The Sun's altitude in Puerto Montt today. The horizontal line signifies the horizon, the vertical lines show the times of sunrise and sunset. Altitude and heading are displayed in a separate box. The graph defaults to current time.
Over the course of September in Puerto Plata, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 32 minutes, implying an average daily decrease of 1 minute, 7 seconds, and weekly decrease of 7 minutes, 46 seconds.