Add duration constants to date_utils

date_utils/date_utils.go

@@ -436,7 +436,7 @@ func (t TradingHours) String() string {
 			rangeDescription = fmt.Sprintf("%s – %s", rangeStartWeekday.String()[:3], currentWeekday.String()[:3])
 		}
 
-		// If the next day has the same times and we're not at the last element, we continue the current range
+		// If the next day has the same times, and we're not at the last element, we continue the current range.
 		if nextTradingHoursDay.StartTime == currentTradingHoursDay.StartTime && nextTradingHoursDay.EndTime == currentTradingHoursDay.EndTime && i < len(weekdays)-1 {
 			continue
 		}
@@ -477,3 +477,9 @@ func (day TradingHoursDay) String() string {
 
 	return startTime.Format("3:04pm") + " – " + endTime.Format("3:04pm")
 }
+
+const DurationFifteenMinutes = time.Minute * 15
+
+const DurationOneDay = time.Hour * 24
+
+const DurationOneWeek = DurationOneDay * 7