Perigean spring tide Perigean spring tide A proxigean spring tide (also known as a perigean spring tide) is a tide that occurs three or four times per year when the Moon's perigee (its closest point to Earth during its 29.5-day elliptical orbit) coincides with a spring tide (when the Earth, Sun and Moon are nearly aligned every two weeks). This tide usually adds only a couple of inches to normal spring tides. The Moon's orbit around Earth is elliptical, which causes the Moon to be closer to Earth and farther away at different times. The Moon and the Sun are aligned every two
Full Moon (Sunmi EP) includes her debut single "24 Hours". "Full Moon" featuring Lena Park was released on February 17, along with the album and music video. The song reached number 2 on the weekly Gaon Digital Charts and number 3 on Billboard's Korea K-pop Hot 100. Full Moon (Sunmi EP) Full Moon is the debut extended play by South Korean singer Sunmi. It was released by JYP Entertainment on February 17, 2014. In August 2013, it was announced that Sunmi would return to her musical career as a solo artist under JYP Entertainment and Park Jin-young himself would take over her complete production,