diff --git a/app/src/main/java/info/nightscout/androidaps/dialogs/CarbsDialog.kt b/app/src/main/java/info/nightscout/androidaps/dialogs/CarbsDialog.kt
index 07f066d47c..6f57680102 100644
--- a/app/src/main/java/info/nightscout/androidaps/dialogs/CarbsDialog.kt
+++ b/app/src/main/java/info/nightscout/androidaps/dialogs/CarbsDialog.kt
@@ -105,6 +105,12 @@ class CarbsDialog : DialogFragmentWithDate() {
     ): View {
         onCreateViewGeneral()
         _binding = DialogCarbsBinding.inflate(inflater, container, false)
+        binding.time.setOnValueChangedListener { timeOffset: Double ->
+            run {
+                val newTime = eventTimeOriginal + timeOffset.toLong() * 1000 * 60
+                updateDateTime(newTime)
+            }
+        }
         return binding.root
     }
 
@@ -159,6 +165,13 @@ class CarbsDialog : DialogFragmentWithDate() {
             validateInputs()
         }
 
+        setOnValueChangedListener { eventTime: Long ->
+            run {
+                val timeOffset = ((eventTime - eventTimeOriginal) / (1000 * 60)).toDouble()
+                binding.time.value = timeOffset
+            }
+        }
+
         iobCobCalculator.ads.actualBg()?.let { bgReading ->
             if (bgReading.value < 72)
                 binding.hypoTt.isChecked = true
@@ -229,10 +242,6 @@ class CarbsDialog : DialogFragmentWithDate() {
             )
 
         val timeOffset = binding.time.value.toInt()
-        eventTime -= eventTime % 1000
-        val time = eventTime + timeOffset * 1000 * 60
-        if (timeOffset != 0)
-            actions.add(rh.gs(R.string.time) + ": " + dateUtil.dateAndTimeString(time))
         if (useAlarm && carbs > 0 && timeOffset > 0)
             actions.add(rh.gs(R.string.alarminxmin, timeOffset).formatColor(rh, R.color.info))
         val duration = binding.duration.value.toInt()
@@ -330,7 +339,7 @@ class CarbsDialog : DialogFragmentWithDate() {
                         detailedBolusInfo.context = context
                         detailedBolusInfo.notes = notes
                         detailedBolusInfo.carbsDuration = T.hours(duration.toLong()).msecs()
-                        detailedBolusInfo.carbsTimestamp = time
+                        detailedBolusInfo.carbsTimestamp = eventTime
                         uel.log(if (duration == 0) Action.CARBS else Action.EXTENDED_CARBS, Sources.CarbDialog,
                                 notes,
                                 ValueWithUnit.Timestamp(eventTime).takeIf { eventTimeChanged },
diff --git a/core/src/main/java/info/nightscout/androidaps/dialogs/DialogFragmentWithDate.kt b/core/src/main/java/info/nightscout/androidaps/dialogs/DialogFragmentWithDate.kt
index 729c57eeeb..1adf7ed00f 100644
--- a/core/src/main/java/info/nightscout/androidaps/dialogs/DialogFragmentWithDate.kt
+++ b/core/src/main/java/info/nightscout/androidaps/dialogs/DialogFragmentWithDate.kt
@@ -27,8 +27,18 @@ abstract class DialogFragmentWithDate : DaggerDialogFragment() {
     @Inject lateinit var sp: SP
     @Inject lateinit var dateUtil: DateUtil
 
+    fun interface OnValueChangedListener {
+        fun onValueChanged(value: Long)
+    }
+
     var eventTime: Long = 0
-    var eventTimeChanged = false
+    var eventTimeOriginal: Long = 0
+    val eventTimeChanged: Boolean
+        get() = eventTime != eventTimeOriginal
+
+    var eventDateView: TextView? = null
+    var eventTimeView: TextView? = null
+    private var mOnValueChangedListener: OnValueChangedListener? = null
 
     //one shot guards
     private var okClicked: Boolean = false
@@ -50,7 +60,7 @@ abstract class DialogFragmentWithDate : DaggerDialogFragment() {
     override fun onSaveInstanceState(savedInstanceState: Bundle) {
         super.onSaveInstanceState(savedInstanceState)
         savedInstanceState.putLong("eventTime", eventTime)
-        savedInstanceState.putBoolean("eventTimeChanged", eventTimeChanged)
+        savedInstanceState.putLong("eventTimeOriginal", eventTimeOriginal)
     }
 
     fun onCreateViewGeneral() {
@@ -60,12 +70,18 @@ abstract class DialogFragmentWithDate : DaggerDialogFragment() {
         dialog?.setCanceledOnTouchOutside(false)
     }
 
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        val eventDateView = view.findViewById(R.id.eventdate) as TextView?
-        val eventTimeView = view.findViewById(R.id.eventtime) as TextView?
+    fun updateDateTime(timeMs: Long) {
+        eventTime = timeMs
+        eventDateView?.text = dateUtil.dateString(eventTime)
+        eventTimeView?.text = dateUtil.timeString(eventTime)
+    }
 
-        eventTime = savedInstanceState?.getLong("eventTime") ?: dateUtil.nowWithoutMilliseconds()
-        eventTimeChanged = savedInstanceState?.getBoolean("eventTimeChanged") ?: false
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        eventDateView = view.findViewById(R.id.eventdate) as TextView?
+        eventTimeView = view.findViewById(R.id.eventtime) as TextView?
+
+        eventTimeOriginal = savedInstanceState?.getLong("eventTimeOriginal") ?: dateUtil.nowWithoutMilliseconds()
+        eventTime = savedInstanceState?.getLong("eventTime") ?: eventTimeOriginal
 
         eventDateView?.text = dateUtil.dateString(eventTime)
         eventTimeView?.text = dateUtil.timeString(eventTime)
@@ -79,8 +95,8 @@ abstract class DialogFragmentWithDate : DaggerDialogFragment() {
                 cal.set(Calendar.MONTH, monthOfYear)
                 cal.set(Calendar.DAY_OF_MONTH, dayOfMonth)
                 eventTime = cal.timeInMillis
-                eventTimeChanged = true
                 eventDateView?.text = dateUtil.dateString(eventTime)
+                callValueChangedListener()
             }
 
         eventDateView?.setOnClickListener {
@@ -107,8 +123,8 @@ abstract class DialogFragmentWithDate : DaggerDialogFragment() {
                 seconds++
             ) // randomize seconds to prevent creating record of the same time, if user choose time manually
             eventTime = cal.timeInMillis
-            eventTimeChanged = true
             eventTimeView?.text = dateUtil.timeString(eventTime)
+            callValueChangedListener()
         }
 
         eventTimeView?.setOnClickListener {
@@ -150,6 +166,14 @@ abstract class DialogFragmentWithDate : DaggerDialogFragment() {
 
     }
 
+    private fun callValueChangedListener() {
+        mOnValueChangedListener?.onValueChanged(eventTime)
+    }
+
+    fun setOnValueChangedListener(onValueChangedListener: OnValueChangedListener?) {
+        mOnValueChangedListener = onValueChangedListener
+    }
+
     override fun show(manager: FragmentManager, tag: String?) {
         try {
             manager.beginTransaction().let {