diff --git a/front/src/applications/stdcmV2/components/StdcmDestination.tsx b/front/src/applications/stdcmV2/components/StdcmDestination.tsx
index a15eb35b25c..b08229e12fd 100644
--- a/front/src/applications/stdcmV2/components/StdcmDestination.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmDestination.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useMemo } from 'react';
+import { useEffect, useMemo, useState } from 'react';
 
 import { useTranslation } from 'react-i18next';
 
@@ -8,7 +8,7 @@ import type { StdcmConfSliceActions } from 'reducers/osrdconf/stdcmConf';
 import type { PathStep } from 'reducers/osrdconf/types';
 import { useAppDispatch } from 'store';
 import { replaceElementAtIndex } from 'utils/array';
-import { extractDateAndTimefromISO } from 'utils/date';
+import { extractDateAndTimefromISO, generateISOArrival } from 'utils/date';
 
 import StdcmCard from './StdcmCard';
 import StdcmOperationalPoint from './StdcmOperationalPoint';
@@ -24,6 +24,13 @@ const StdcmDestination = ({
 }) => {
   const { t } = useTranslation('stdcm');
   const dispatch = useAppDispatch();
+
+  const [arrivalDateInput, setArrivalDateInput] = useState<Date | undefined>(undefined);
+  const [arrivalTimeInput, setArrivalTimeInput] = useState<{ hours: number; minutes: number }>({
+    hours: 0,
+    minutes: 0,
+  });
+
   const {
     updateDestination,
     updateDestinationArrival,
@@ -59,10 +66,21 @@ const StdcmDestination = ({
 
   const updateDestinationPoint = (pathStep: PathStep | null) => {
     dispatch(updateDestination(pathStep));
+    if (arrivalDateInput && arrivalTimeInput) {
+      const newOpArrival = generateISOArrival(arrivalDateInput, arrivalTimeInput);
+      dispatch(updateDestinationArrival(newOpArrival));
+    }
   };
 
-  const onDestinationArrivalChange = (arrival: string) => {
-    dispatch(updateDestinationArrival(arrival));
+  const onDestinationArrivalChange = (
+    date: Date,
+    { hours, minutes }: { hours: number; minutes: number }
+  ) => {
+    setArrivalDateInput(date);
+    setArrivalTimeInput({ hours, minutes });
+
+    const newOpArrival = generateISOArrival(date, { hours, minutes });
+    dispatch(updateDestinationArrival(newOpArrival));
   };
 
   const onDestinationArrivalTypeChange = (arrivalType: ArrivalTimeTypes) => {
diff --git a/front/src/applications/stdcmV2/components/StdcmOpSchedule.tsx b/front/src/applications/stdcmV2/components/StdcmOpSchedule.tsx
index 922089d7eda..b4d4877d391 100644
--- a/front/src/applications/stdcmV2/components/StdcmOpSchedule.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmOpSchedule.tsx
@@ -6,13 +6,13 @@ import { useTranslation } from 'react-i18next';
 import { useSelector } from 'react-redux';
 
 import { useOsrdConfSelectors } from 'common/osrdContext';
-import { formatLocaleDateToIsoDate, isArrivalDateInSearchTimeWindow } from 'utils/date';
+import { isArrivalDateInSearchTimeWindow } from 'utils/date';
 
 import type { ArrivalTimeTypes } from '../types';
 
 type StdcmOpScheduleProps = {
   disabled: boolean;
-  onArrivalChange: (arrival: string) => void;
+  onArrivalChange: (date: Date, { hours, minutes }: { hours: number; minutes: number }) => void;
   onArrivalTypeChange: (arrivalType: ArrivalTimeTypes) => void;
   onArrivalToleranceChange: ({
     toleranceBefore,
@@ -77,13 +77,6 @@ const StdcmOpSchedule = ({
       };
     }, [opTimingData, opToleranceValues, searchDatetimeWindow]);
 
-  const updateOpArrival = (date: Date, { hours, minutes }: { hours: number; minutes: number }) => {
-    date.setHours(hours);
-    date.setMinutes(minutes);
-    const newOpArrival = formatLocaleDateToIsoDate(date);
-    onArrivalChange(newOpArrival);
-  };
-
   return (
     <div className="d-flex flex-column">
       <div className="col-12 pr-1">
@@ -121,7 +114,7 @@ const StdcmOpSchedule = ({
                   : undefined,
               }}
               onDateChange={(e) => {
-                updateOpArrival(e, {
+                onArrivalChange(e, {
                   hours: arrivalTimeHours || 0,
                   minutes: arrivalTimeMinutes || 0,
                 });
@@ -135,7 +128,7 @@ const StdcmOpSchedule = ({
               hours={arrivalTimeHours}
               minutes={arrivalTimeMinutes}
               onTimeChange={({ hours, minutes }) => {
-                updateOpArrival(arrivalDate, {
+                onArrivalChange(arrivalDate, {
                   hours,
                   minutes,
                 });
diff --git a/front/src/applications/stdcmV2/components/StdcmOrigin.tsx b/front/src/applications/stdcmV2/components/StdcmOrigin.tsx
index 21b5d88efb8..c75d6ba102f 100644
--- a/front/src/applications/stdcmV2/components/StdcmOrigin.tsx
+++ b/front/src/applications/stdcmV2/components/StdcmOrigin.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useMemo } from 'react';
+import { useEffect, useMemo, useState } from 'react';
 
 import { useTranslation } from 'react-i18next';
 
@@ -8,7 +8,7 @@ import type { StdcmConfSliceActions } from 'reducers/osrdconf/stdcmConf';
 import type { PathStep } from 'reducers/osrdconf/types';
 import { useAppDispatch } from 'store';
 import { replaceElementAtIndex } from 'utils/array';
-import { extractDateAndTimefromISO } from 'utils/date';
+import { extractDateAndTimefromISO, generateISOArrival } from 'utils/date';
 
 import StdcmCard from './StdcmCard';
 import StdcmOperationalPoint from './StdcmOperationalPoint';
@@ -25,6 +25,11 @@ const StdcmOrigin = ({
   const { t } = useTranslation('stdcm');
   const dispatch = useAppDispatch();
 
+  const [arrivalDateInput, setArrivalDateInput] = useState<Date | undefined>(undefined);
+  const [arrivalTimeInput, setArrivalTimeInput] = useState<
+    { hours: number; minutes: number } | undefined
+  >(undefined);
+
   const { updateOrigin, updateOriginArrival, updateOriginArrivalType, updateOriginTolerances } =
     useOsrdConfActions() as StdcmConfSliceActions;
 
@@ -50,10 +55,21 @@ const StdcmOrigin = ({
 
   const updateOriginPoint = (pathStep: PathStep | null) => {
     dispatch(updateOrigin(pathStep));
+    if (arrivalDateInput && arrivalTimeInput) {
+      const newOpArrival = generateISOArrival(arrivalDateInput, arrivalTimeInput);
+      dispatch(updateOriginArrival(newOpArrival));
+    }
   };
 
-  const onOriginArrivalChange = (arrival: string) => {
-    dispatch(updateOriginArrival(arrival));
+  const onOriginArrivalChange = (
+    date: Date,
+    { hours, minutes }: { hours: number; minutes: number }
+  ) => {
+    setArrivalDateInput(date);
+    setArrivalTimeInput({ hours, minutes });
+
+    const newOpArrival = generateISOArrival(date, { hours, minutes });
+    dispatch(updateOriginArrival(newOpArrival));
   };
 
   const onOriginArrivalTypeChange = (arrivalType: ArrivalTimeTypes) => {
diff --git a/front/src/reducers/osrdconf/osrdConfCommon/index.ts b/front/src/reducers/osrdconf/osrdConfCommon/index.ts
index 738a030939d..3c091a02971 100644
--- a/front/src/reducers/osrdconf/osrdConfCommon/index.ts
+++ b/front/src/reducers/osrdconf/osrdConfCommon/index.ts
@@ -302,19 +302,21 @@ export function buildCommonConfReducers<S extends OsrdConfState>(): CommonConfRe
       state.startTime = action.payload;
     },
     updateOrigin(state: Draft<S>, action: PayloadAction<ArrayElement<S['pathSteps']>>) {
+      const prevOriginArrivalType = state.pathSteps[0]?.arrivalType;
       const newPoint = action.payload
         ? {
             ...action.payload,
-            arrivalType: ArrivalTimeTypes.PRECISE_TIME,
+            arrivalType: prevOriginArrivalType || ArrivalTimeTypes.PRECISE_TIME,
           }
         : null;
       state.pathSteps = updateOriginPathStep(state.pathSteps, newPoint, true);
     },
     updateDestination(state: Draft<S>, action: PayloadAction<ArrayElement<S['pathSteps']>>) {
+      const prevDestinationArrivalType = state.pathSteps[state.pathSteps.length - 1]?.arrivalType;
       const newPoint = action.payload
         ? {
             ...action.payload,
-            arrivalType: ArrivalTimeTypes.ASAP,
+            arrivalType: prevDestinationArrivalType || ArrivalTimeTypes.ASAP,
           }
         : null;
       state.pathSteps = updateDestinationPathStep(state.pathSteps, newPoint, true);
diff --git a/front/src/utils/__tests__/date.spec.ts b/front/src/utils/__tests__/date.spec.ts
index 2199132bbae..2ffab647d23 100644
--- a/front/src/utils/__tests__/date.spec.ts
+++ b/front/src/utils/__tests__/date.spec.ts
@@ -6,6 +6,8 @@ import {
   parseDateTime,
   extractDateAndTimefromISO,
   isArrivalDateInSearchTimeWindow,
+  formatLocaleDateToIsoDate,
+  generateISOArrival,
 } from 'utils/date';
 
 describe('dateTimeToIso', () => {
@@ -134,3 +136,15 @@ describe('isArrivalDateInSearchTimeWindow', () => {
     expect(result).toBe(false);
   });
 });
+
+describe('generateISOArrival', () => {
+  it('should correctly set hours and minutes and return ISO string', () => {
+    const date = new Date('2024-08-01T00:00:00Z');
+    const time = { hours: 10, minutes: 30 };
+    const expectedISODate = formatLocaleDateToIsoDate(new Date('2024-08-01T10:30:00Z'));
+
+    const result = generateISOArrival(date, time);
+
+    expect(result).toBe(expectedISODate);
+  });
+});
diff --git a/front/src/utils/date.ts b/front/src/utils/date.ts
index 07b14482cc7..56242b153d5 100644
--- a/front/src/utils/date.ts
+++ b/front/src/utils/date.ts
@@ -229,3 +229,18 @@ export function isArrivalDateInSearchTimeWindow(
   const arrivalDate = new Date(arrivalTime);
   return arrivalDate >= searchDatetimeWindow.begin && arrivalDate <= searchDatetimeWindow.end;
 }
+
+/**
+ * Generates an ISO arrival date string based on the provided date, hours, and minutes.
+ * @param {Date} date - The base date.
+ * @param {{ hours: number; minutes: number }} - An object containing the hours and the minutes of the arrival time.
+ * @returns {string} The ISO formatted arrival date string.
+ */
+export const generateISOArrival = (
+  date: Date,
+  { hours, minutes }: { hours: number; minutes: number }
+) => {
+  date.setHours(hours);
+  date.setMinutes(minutes);
+  return formatLocaleDateToIsoDate(date);
+};