There are more than 89 tree species in the LEF. ... Daylight Saving Time; Time Zone Map. The 18th and 19th century saw an increase in settlement in Puerto Rico with 30 municipalities being established in the 18th century and 34 more in the 19th century. Popup Window Fullscreen Exit. Puerto Rico's coordinates are 18.2208° N and 66.5901° W (Longitude -66.10572000, Latitude 18.46633000).