Specifies the available list of enumerations for the fuzzy time concepts, which provided the definition of start, end or duration time concepts that support the expression of a non-precise or variable qualified concept, resulting in a non-precise, potentially circumstantial defined time period. Note: Example roads closed at the start of winter in mountainous areas, which is based on actual experienced weather conditions and therefore is not pre-defined. FuzzyTimeTypeCode Starting period controlled by external device external Starts at dawn dawn Starts at dusk dusk Starts at any school period (date and hour) school Starts at any holiday holiday Beginning of winter winter Beginning of spring spring Beginning of summer summer Beginning of autumn autumn Beginning of high tide highTide Beginning of low tide lowTide Beginning of high water highWater Beginning of low water lowWater Beginning of wet season wetSeason Beginning of dry season drySeason Start of peak hours, peak hours include rush hour and activity/ scheduled event based times. These would vary by location and by season peakHours start of off-peak hours offPeakHours Start of day day Start of night night