listeners working, sunrise/sunset working with string offset

internal/internal.go

@@ -1,8 +1,23 @@
 package internal
 
+import (
+	"log"
+	"time"
+
+	"github.com/golang-module/carbon"
+)
+
 var id int64 = 0
 
 func GetId() int64 {
 	id += 1
 	return id
 }
+
+func ParseTime[T ~string](s T) carbon.Carbon {
+	t, err := time.Parse("15:04", string(s))
+	if err != nil {
+		log.Fatalf("Failed to parse time string \"%s\"; format must be HH:MM.", s)
+	}
+	return carbon.Now().StartOfDay().SetHour(t.Hour()).SetMinute(t.Minute())
+}