Implement friendly time formatting in select modules

internal/changes/three_day.go

@@ -5,7 +5,6 @@ import (
 	"sort"
 
 	"gitea.maximumdirect.net/eric/weatherreporter/internal/module"
-	"gitea.maximumdirect.net/eric/weatherreporter/internal/timeutil"
 )
 
 func CompareThreeDay(previous module.Snapshot, current module.Snapshot, thresholds Thresholds) ([]Change, error) {
@@ -113,10 +112,7 @@ func outlookDaysFromDayparts(dayparts map[string]daypartSummaryStanza) map[strin
 }
 
 func daypartDate(daypart daypartSummaryStanza) string {
-	if !daypart.Period.Start.IsZero() {
-		return daypart.Period.Start.Format(timeutil.DateLayout)
-	}
-	return ""
+	return daypart.Date
 }
 
 func minInt(a *int, b *int) *int {