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.
The average length of the southern hemisphere winter, or the average time from the June solstice to the September equinox, is about 93 days, 15 hours and 42 minutes. It is theâ¦ longest season of the year because the earth's orbital speed is slowest when the earth is farthest from the sun, which occurs in early July.