Earth tide lunar and the solar tidal maxima and minima (bulges and depressions) add together for the greatest tidal range at particular latitudes. At first- and third-quarter phases of the moon, lunar and solar tides are perpendicular, and the tidal range is at a minimum. The semi-diurnal tides go through one full cycle (a high and low tide) about once every 12 hours and one full cycle of maximum height (a spring and neap tide) about once every 14 days. The development of a systematic theory of Earth tides was started by George H. Darwin in 1879, and was then furthered by
Full Moon Party Reinke's Wanderlust. In 2011, the island's parties featured on "Tourism and the Truth: Stacey Dooley Investigates", a documentary investigating the negative impacts of tourism on local people and the economy. It was featured in episode four of E4's comedy-drama series "Gap Year". Full Moon Party The Full Moon Party is an all-night beach party that originated in Hat Rin on the island of Ko Pha-ngan, Thailand on the night of, before or after every full moon. It is mostly attended by tourists. The first Full Moon Party was improvised at a Paradise Bungalows on the beach in 1983, for giving