How is Fiji Institute of Surveyors abbreviated? FIS stands for Fiji Institute of Surveyors. FIS is defined as Fiji Institute of Surveyors rarely.
PGA Golf has the longest season. It is active 93% of the year. ATP World Tour (tennis) 86% of the year. NASCAR 75% of the year. NHL 68% of the year. NBA 63% of the year. MLB 58% of the year. NFL 41% of the year.
(Equinox is when night & day are about the same length. Solstices are the longest night or day of the year.) Astronomical seasons can vary every year because of leap years and the elliptical shape of the Earthâs orbit around the sun which causes the lengths of the seasons to vary between 89 and 93 days.