diff --git a/backend/controllers/hardwarecontroller.go b/backend/controllers/hardwarecontroller.go
index 1573563..ab81294 100644
--- a/backend/controllers/hardwarecontroller.go
+++ b/backend/controllers/hardwarecontroller.go
@@ -34,12 +34,6 @@ var DeviceStatusCache = map[string]string{
 	"projector": "off",
 }
 
-// =========================================================================
-// FUNGSI 1: VERIFIKASI HARDWARE & HITUNG SISA WAKTU DINAMIS
-// =========================================================================
-// =========================================================================
-// FUNGSI 1: VERIFIKASI HARDWARE & HITUNG SISA WAKTU DINAMIS
-// =========================================================================
 func VerifyHardwareCode(c *gin.Context) {
 	var req VerifyRequest
 
@@ -51,7 +45,7 @@ func VerifyHardwareCode(c *gin.Context) {
 	tokenInput := req.Token
 	sekarang := time.Now()
 
-	// 1. Token Master CS
+	// 1. Token Master CS (Cleaning Service)
 	if tokenInput == "CS2026" {
 		fmt.Printf("[VERIFY] Master Token CS digunakan\n")
 		c.JSON(http.StatusOK, gin.H{
@@ -70,15 +64,15 @@ func VerifyHardwareCode(c *gin.Context) {
 	}
 
 	// -------------------------------------------------------------
-	// 🌟 PERBAIKAN DATABASE CASTING BUG (Menggunakan String)
+	// TARIK DATA START_TIME & END_TIME MENGGUNAKAN time.Time
 	// -------------------------------------------------------------
-	var jamMulaiStr string
-	var jamSelesaiStr string
+	var jamMulai time.Time
+	var jamSelesai time.Time
 	isTokenValid := false
 
 	type ResultTime struct {
-		JamMulai   string `gorm:"column:start_time"`
-		JamSelesai string `gorm:"column:end_time"`
+		JamMulai   time.Time `gorm:"column:start_time"`
+		JamSelesai time.Time `gorm:"column:end_time"`
 	}
 	var result ResultTime
 
@@ -87,9 +81,9 @@ func VerifyHardwareCode(c *gin.Context) {
 		Where("redeem_code = ?", tokenInput).
 		Scan(&result).Error
 
-	if errBooking == nil && result.JamSelesai != "" {
-		jamMulaiStr = result.JamMulai
-		jamSelesaiStr = result.JamSelesai
+	if errBooking == nil && !result.JamSelesai.IsZero() {
+		jamMulai = result.JamMulai
+		jamSelesai = result.JamSelesai
 		isTokenValid = true
 	} else {
 		errSchedule := config.DB.Table("class_schedules").
@@ -97,9 +91,9 @@ func VerifyHardwareCode(c *gin.Context) {
 			Where("kode_mk = ?", tokenInput).
 			Scan(&result).Error
 
-		if errSchedule == nil && result.JamSelesai != "" {
-			jamMulaiStr = result.JamMulai
-			jamSelesaiStr = result.JamSelesai
+		if errSchedule == nil && !result.JamSelesai.IsZero() {
+			jamMulai = result.JamMulai
+			jamSelesai = result.JamSelesai
 			isTokenValid = true
 		}
 	}
@@ -109,34 +103,40 @@ func VerifyHardwareCode(c *gin.Context) {
 		return
 	}
 
-	// Memisahkan Jam dan Menit secara manual agar kebal terhadap error format
-	var startHour, startMin, endHour, endMin int
-	fmt.Sscanf(jamMulaiStr, "%d:%d", &startHour, &startMin)
-	fmt.Sscanf(jamSelesaiStr, "%d:%d", &endHour, &endMin)
-
+	// Ekstrak Jam, Menit, Detik langsung dari objek Time (Sangat Aman & Akurat)
 	jamMulaiHariIni := time.Date(sekarang.Year(), sekarang.Month(), sekarang.Day(),
-		startHour, startMin, 0, 0, sekarang.Location())
+		jamMulai.Hour(), jamMulai.Minute(), jamMulai.Second(), 0, sekarang.Location())
 
 	jamSelesaiHariIni := time.Date(sekarang.Year(), sekarang.Month(), sekarang.Day(),
-		endHour, endMin, 0, 0, sekarang.Location())
+		jamSelesai.Hour(), jamSelesai.Minute(), jamSelesai.Second(), 0, sekarang.Location())
 
-	// Toleransi masuk kelas: 15 Menit sebelum jam dimulai
+	// -------------------------------------------------------------
+	// LOGIKA PENOLAKAN TOKEN MASA DEPAN
+	// -------------------------------------------------------------
+	// Toleransi masuk: Hanya bisa masuk 15 menit sebelum jadwal.
 	batasMasukAwal := jamMulaiHariIni.Add(-15 * time.Minute)
 
 	if sekarang.Before(batasMasukAwal) {
+		fmt.Printf("[VERIFY] Ditolak: Kelas %s belum mulai\n", tokenInput)
 		c.JSON(http.StatusForbidden, gin.H{"error": "Jadwal kelas belum dimulai"})
 		return
 	}
 
-	// Cek sisa waktu kelas
+	// -------------------------------------------------------------
+	// LOGIKA PENOLAKAN TOKEN KADALUARSA
+	// -------------------------------------------------------------
 	selisihWaktu := jamSelesaiHariIni.Sub(sekarang)
 	sisaMenit := int(selisihWaktu.Minutes())
 
 	if sisaMenit <= 0 {
+		fmt.Printf("[VERIFY] Ditolak: Waktu kelas %s sudah habis\n", tokenInput)
 		c.JSON(http.StatusForbidden, gin.H{"error": "Waktu peminjaman sudah habis"})
 		return
 	}
 
+	// -------------------------------------------------------------
+	// JIKA LOLOS SEMUA UJIAN: IZINKAN MASUK
+	// -------------------------------------------------------------
 	DeviceStatusCache["lampu1"] = "on"
 	DeviceStatusCache["lampu2"] = "on"