Use system or default TZ env var

app.go

@@ -65,7 +65,6 @@ func (app *App) Start() {
 		Handler: app.router,
 	}
 
-	log.Println("Current timezone:", app.cfg.Timezone.String())
 	app.ResetTimer()
 
 	log.Printf("Ready, listening on %s\n", app.cfg.Bind)

config/cli.go

@@ -17,7 +17,6 @@ func (c *Config) declareFlags() {
 	flag.StringVar(&c.ActionsDir, "actions-dir", c.ActionsDir, "Path to the directory containing the actions")
 	flag.StringVar(&c.RoutinesDir, "routines-dir", c.RoutinesDir, "Path to the directory containing the routines")
 	flag.IntVar(&c.SampleRate, "samplerate", c.SampleRate, "Samplerate for unifying output stream")
-	flag.Var(&c.Timezone, "timezone", "Timezone to use when dealing with times")
 
 	// Others flags are declared in some other files when they need specials configurations
 }

config/config.go

@@ -18,7 +18,6 @@ type Config struct {
 	ActionsDir   string
 	RoutinesDir  string
 
-	Timezone   Timezone
 	SampleRate int
 }
 

model/alarm.go

@@ -174,7 +174,7 @@ func (a *AlarmRepeated) FillExcepts(cfg *config.Config, db *LevelDBStorage) erro
 		end := time.Time(*exception.End).AddDate(0, 0, 1)
 		for t := time.Time(*exception.Start); end.After(t); t = t.AddDate(0, 0, 1) {
 			if t.Weekday() == a.Weekday {
-				a.Excepts = append(a.Excepts, time.Date(t.Year(), t.Month(), t.Day(), time.Time(*a.StartTime).Hour(), time.Time(*a.StartTime).Minute(), time.Time(*a.StartTime).Second(), 0, cfg.Timezone.GetLocation()))
+				a.Excepts = append(a.Excepts, time.Date(t.Year(), t.Month(), t.Day(), time.Time(*a.StartTime).Hour(), time.Time(*a.StartTime).Minute(), time.Time(*a.StartTime).Second(), 0, time.Local))
 				t = t.AddDate(0, 0, 6)
 			}
 		}
@@ -196,7 +196,7 @@ func (a *AlarmRepeated) GetNextOccurence(cfg *config.Config, db *LevelDBStorage)
 
 	now := time.Now()
 
-	today := time.Date(now.Year(), now.Month(), now.Day(), time.Time(*a.StartTime).Hour(), time.Time(*a.StartTime).Minute(), time.Time(*a.StartTime).Second(), 0, cfg.Timezone.GetLocation())
+	today := time.Date(now.Year(), now.Month(), now.Day(), time.Time(*a.StartTime).Hour(), time.Time(*a.StartTime).Minute(), time.Time(*a.StartTime).Second(), 0, time.Local)
 	if now.After(today) {
 		today = today.AddDate(0, 0, 1)
 	}

ui/nojs.go

@@ -82,8 +82,8 @@ func DeclareNoJSRoutes(router *gin.Engine, cfg *config.Config, db *reveil.LevelD
 					return
 				}
 
-				_, offset := alarm.Zone()
-				alarm = alarm.Truncate(24 * time.Hour).Add(-time.Duration(offset)*time.Second + duration)
+				alarm = alarm.Local().Truncate(24 * time.Hour)
+				alarm = alarm.Add(-time.Duration(alarm.Hour())*time.Hour + duration)
 			}
 
 			if time.Now().After(alarm) {