UTC bugfix again

cmd/ingestd/main.go

@@ -46,6 +46,9 @@ func main() {
 			log.Fatalf("site timezone load: %v", err)
 		}
 		rainDayLoc = loc
+		log.Printf("site timezone configured: %s", cfg.Site.Timezone)
+	} else {
+		log.Printf("site timezone not set; falling back to process local timezone: %s", time.Local)
 	}
 	log.Printf("rain day timezone: %s", rainDayLoc)
 

internal/config/config.go

@@ -107,6 +107,9 @@ func Load(path string) (*Config, error) {
 	if c.Site.Name == "" {
 		c.Site.Name = "default"
 	}
+	if c.Wunderground.Enabled && c.Site.Timezone == "" {
+		return nil, errors.New("site timezone is required when wunderground is enabled (used for daily rain boundary)")
+	}
 	if c.Site.Timezone != "" {
 		if _, err := time.LoadLocation(c.Site.Timezone); err != nil {
 			return nil, fmt.Errorf("invalid site timezone %q: %w", c.Site.Timezone, err)