diff --git a/app/components/projectAssignment/draggableProjectDates.tsx b/app/components/projectAssignment/draggableProjectDates.tsx
new file mode 100644
index 0000000..233875c
--- /dev/null
+++ b/app/components/projectAssignment/draggableProjectDates.tsx
@@ -0,0 +1,102 @@
+'use client'
+
+import React, { DragEvent, FC } from 'react';
+import { useMutation } from "@apollo/client";
+import { UPSERT_PROJECT } from "@/app/gqlQueries";
+import { useProjectsDataContext } from '@/app/contexts/projectsDataContext';
+import { getISODateFromWeek, getWeekNumberAndYear } from '../scrollingCalendar/helpers';
+import { PROJECT_DATES_TYPE } from '../scrollingCalendar/constants';
+
+interface DraggableDatesProps {
+    weekNumberOfTheYear: number;
+    monthYear: number;
+    monthLabel: string;
+}
+
+const DraggableDates: FC<DraggableDatesProps> = ({
+    weekNumberOfTheYear,
+    monthYear,
+    monthLabel,
+}) => {
+    const { projectList, setProjectList, singleProjectPage } = useProjectsDataContext()
+    let endDateWeekNumber;
+    let startDateWeekNumber;
+
+    if (singleProjectPage?.endsOn) {
+        endDateWeekNumber = getWeekNumberAndYear(singleProjectPage?.endsOn)
+    }
+    if (singleProjectPage?.startsOn) {
+        startDateWeekNumber = getWeekNumberAndYear(singleProjectPage?.startsOn)
+    }
+    const isEndDateWeek = endDateWeekNumber?.weekNumber === weekNumberOfTheYear && monthYear === endDateWeekNumber?.year
+    const isStartDateWeek = startDateWeekNumber?.weekNumber === weekNumberOfTheYear && monthYear === startDateWeekNumber?.year
+
+    const [upsertProject] = useMutation(UPSERT_PROJECT, {
+        errorPolicy: "all",
+        onCompleted({ upsertProject }) {
+            const { id, endsOn, startsOn } = upsertProject
+            const updatedProjectList = projectList.map(project =>
+                project.id === id
+                    ? { ...project, endsOn, startsOn }
+                    : project
+            );
+            setProjectList(updatedProjectList)
+        },
+    });
+
+    const handleDragStart = (e: DragEvent<HTMLDivElement>) => {
+        const type = isStartDateWeek ? PROJECT_DATES_TYPE.STARTS_ON : PROJECT_DATES_TYPE.ENDS_ON
+        e.dataTransfer.setData('text/plain', JSON.stringify(type));
+        e.stopPropagation();
+        e.currentTarget.style.zIndex = '100';
+        e.currentTarget.style.opacity = '0.5';
+    };
+
+    const handleDrop = async (e: DragEvent<HTMLDivElement>) => {
+        const typeDate = JSON.parse(e.dataTransfer.getData('text/plain'));
+        const newTargetDate = getISODateFromWeek(monthYear, weekNumberOfTheYear, Number(monthLabel))
+        const newDateForComparison = new Date(newTargetDate)
+        e.preventDefault();
+        e.currentTarget.style.zIndex = '';
+        e.currentTarget.style.opacity = '1';
+        if (typeDate === PROJECT_DATES_TYPE.ENDS_ON && singleProjectPage?.startsOn) {
+            const startDate = new Date(singleProjectPage.startsOn);
+            if (startDate >= newDateForComparison) return;
+
+        }
+        if (typeDate === PROJECT_DATES_TYPE.STARTS_ON && singleProjectPage?.endsOn) {
+            const endDate = new Date(singleProjectPage.endsOn)
+            if (newDateForComparison >= endDate) return;
+        }
+        const variables = {
+            id: singleProjectPage?.id,
+            name: singleProjectPage?.name,
+            [typeDate]: newTargetDate
+        }
+        await upsertProject({
+            variables
+        });
+
+    };
+
+    const handleDragEnd = (e: DragEvent<HTMLDivElement>) => {
+        e.currentTarget.style.zIndex = '';
+        e.currentTarget.style.opacity = '1';
+    };
+
+    return (
+        <div
+            draggable={isStartDateWeek || isEndDateWeek}
+            onDragStart={handleDragStart}
+            onDragEnd={handleDragEnd}
+            onDragOver={(e) => e.preventDefault()}
+            onDrop={handleDrop}
+            className={`absolute top-0 left-0 right-0 inset-0 flex flex-col leading-none h-full w-full ${(isStartDateWeek || isEndDateWeek) ? 'cursor-pointer navbar' : ''
+                } `}
+        >
+            <span className='text-contrastGrey text-2xs px-1 pt-1 font-normal'>{isStartDateWeek && 'START' || isEndDateWeek && 'END'}</span>
+        </div>
+    );
+};
+
+export default DraggableDates;
diff --git a/app/components/scrollingCalendar/calendarHeader.tsx b/app/components/scrollingCalendar/calendarHeader.tsx
index 62f1b83..fd96656 100644
--- a/app/components/scrollingCalendar/calendarHeader.tsx
+++ b/app/components/scrollingCalendar/calendarHeader.tsx
@@ -15,6 +15,7 @@ import { AssignmentType, MonthsDataType, ProjectType } from '@/app/typeInterface
 import { calculateTotalHoursPerWeek, isBeforeWeek, showMonthAndYear, getNextWeeksPerView, getPrevWeeksPerView, currentWeek, currentYear } from './helpers';
 import ViewsMenu from '../viewsMenu/viewsMenu';
 import EditFormController from './editFormController';
+import DraggableDates from '../projectAssignment/draggableProjectDates';
 
 interface ColumnHeaderTitle {
     title: string;
@@ -31,6 +32,7 @@ type CalendarHeaderProps = {
     editable?: boolean,
     projectInfo?: string,
     columnHeaderTitles: ColumnHeaderTitle[],
+    draggableDates?: boolean
 }
 
 const CalendarHeader: React.FC<CalendarHeaderProps> = ({
@@ -41,7 +43,9 @@ const CalendarHeader: React.FC<CalendarHeaderProps> = ({
     userName,
     editable = false,
     projectInfo,
-    columnHeaderTitles }) => {
+    columnHeaderTitles,
+    draggableDates = false,
+}) => {
     const [isEditing, setIsEditing] = useState(false);
     const { setDateRange, scrollToTodayFunction } = useGeneralDataContext();
     const { totalActualHours, totalEstimatedHours, proposedEstimatedHours, maxTotalHours } = calculateTotalHoursPerWeek(assignments as AssignmentType[], months)
@@ -99,8 +103,15 @@ const CalendarHeader: React.FC<CalendarHeaderProps> = ({
                 </th>
                 {months?.map((month) => {
                     return month.weeks.map((week) => {
-                        return (<th key={`month-${month.monthLabel}-week-${week.weekNumberOfTheYear}`}
-                            className={`sm:block hidden relative px-1 ${currentWeek === week.weekNumberOfTheYear && currentYear === month.year ? 'navbar font-bold' : 'font-normal'}`}>
+                        const isCurrentWeek = currentWeek === week.weekNumberOfTheYear && currentYear === month.year
+                        return (<th
+                            key={`month-${month.monthLabel}-week-${week.weekNumberOfTheYear}`}
+                            className={`sm:block hidden relative px-1 ${isCurrentWeek ? 'navbar font-bold' : 'font-normal'}`}>
+                            {draggableDates && <DraggableDates
+                                weekNumberOfTheYear={week.weekNumberOfTheYear}
+                                monthYear={month.year}
+                                monthLabel={month.monthLabel}
+                            />}
                             <ColumnChart
                                 hasActualHoursForWeek={hasActualHoursForWeek(month.year, week.weekNumberOfTheYear)}
                                 height={hasActualHoursForWeek(month.year, week.weekNumberOfTheYear) ? totalActualHours[`${month.year}-${week.weekNumberOfTheYear}`] : totalEstimatedHours[`${month.year}-${week.weekNumberOfTheYear}`]}
@@ -136,9 +147,9 @@ const CalendarHeader: React.FC<CalendarHeaderProps> = ({
                 </th>
                 {months?.map((month) => {
                     return month.weeks.map((week, index) => {
+                        const isCurrentWeek = currentWeek === week.weekNumberOfTheYear && currentYear === month.year
                         return (
-                            <th key={`${month.monthLabel}-${index}`} className={`relative py-2 px-1 font-normal text-contrastBlue ${currentWeek === week.weekNumberOfTheYear && currentYear === month.year && 'bg-selectedColumnBg'
-                                }`}>
+                            <th key={`${month.monthLabel}-${index}`} className={`relative py-2 px-1 font-normal text-contrastBlue ${isCurrentWeek ? 'bg-selectedColumnBg' : ''}`}>
                                 <div className={`flex flex-col items-center sm:text-base text-2xl sm:w-[34px] w-[68px] ${currentWeek === week.weekNumberOfTheYear && currentYear === month.year ? 'font-bold' : 'font-normal'}`}>
                                     <span>{`W${week.weekNumberOfTheMonth}`}</span>
                                     <span className={`${week.weekNumberOfTheMonth !== 1 ? 'sm:hidden' : ''}`}>
diff --git a/app/components/scrollingCalendar/constants.ts b/app/components/scrollingCalendar/constants.ts
index f430898..f2d7b2d 100644
--- a/app/components/scrollingCalendar/constants.ts
+++ b/app/components/scrollingCalendar/constants.ts
@@ -22,3 +22,8 @@ export const MONTHS_COUNT: MonthsCount = {
 
 export const ACTUAL_HOURS = "actualHours";
 export const ESTIMATED_HOURS = "estimatedHours";
+
+export enum PROJECT_DATES_TYPE {
+  STARTS_ON = "startsOn",
+  ENDS_ON = "endsOn",
+}
diff --git a/app/components/scrollingCalendar/scrollingCalendar.tsx b/app/components/scrollingCalendar/scrollingCalendar.tsx
index 3b51e4b..433e85d 100644
--- a/app/components/scrollingCalendar/scrollingCalendar.tsx
+++ b/app/components/scrollingCalendar/scrollingCalendar.tsx
@@ -21,6 +21,7 @@ interface ScrollingCalendarProps {
 	userName?: string;
 	projectInfo?: string;
 	editable?: boolean;
+	draggableDates?: boolean
 }
 
 export const ScrollingCalendar = ({
@@ -31,7 +32,8 @@ export const ScrollingCalendar = ({
 	avatarUrl,
 	userName,
 	projectInfo,
-	editable
+	editable,
+	draggableDates
 }: ScrollingCalendarProps) => {
 	const [months, setMonths] = useState<MonthsDataType[]>([]);
 	const { dateRange, setDateRange } = useGeneralDataContext();
@@ -72,6 +74,7 @@ export const ScrollingCalendar = ({
 					title={title}
 					projectInfo={projectInfo}
 					editable={editable}
+					draggableDates={draggableDates}
 				/>
 				<tbody>
 					{React.Children.map(children, (child) =>
diff --git a/app/projects/[projectId]/page.tsx b/app/projects/[projectId]/page.tsx
index 83545f2..07bef02 100644
--- a/app/projects/[projectId]/page.tsx
+++ b/app/projects/[projectId]/page.tsx
@@ -73,18 +73,17 @@ const ProjectPage: React.FC = () => {
 		const startDate = singleProjectPage?.startsOn ? DateTime.fromISO(singleProjectPage.startsOn) : null;
 		const endDate = singleProjectPage?.endsOn ? DateTime.fromISO(singleProjectPage.endsOn) : null;
 
-		if (!startDate || !endDate) {
+		if (!startDate && !endDate) {
 			return 'Start Date - End Date';
 		}
-		const formattedStartDate = startDate.toFormat('d.MMM');
-		const formattedEndDate = endDate.toFormat('d.MMM');
-		const startYear = startDate.year;
-		const endYear = endDate.year;
-		if (startYear === endYear) {
-			return `${formattedStartDate}-${formattedEndDate}.${endYear}`;
-		} else {
-			return `${formattedStartDate}.${startYear}-${formattedEndDate} ${endYear}`;
+		const formattedStartDate = startDate?.toFormat('d.MMM')
+		const formattedEndDate = endDate?.toFormat('d.MMM')
+		const startYear = startDate?.year || ''
+		const endYear = endDate?.year || ''
+		if (startDate && startYear && startYear !== endYear) {
+			return `${formattedStartDate}.${startYear}-${formattedEndDate || 'End Date'} ${endYear}`;
 		}
+		return `${formattedStartDate || 'Start Date'}-${formattedEndDate}.${endYear}`;
 	}
 
 	const columnHeaderTitles = [{ title: 'People', showIcon: true, onClick: () => addNewAssignmentRow() }]
@@ -94,7 +93,14 @@ const ProjectPage: React.FC = () => {
 		<>
 			{singleProjectPage && projectList.length ? (
 				<>
-					<ScrollingCalendar columnHeaderTitles={columnHeaderTitles} title={singleProjectPage.name} projectInfo={projectInfoSubtitle} assignments={sortedSingleProjectAssignments || []} editable={true}>
+					<ScrollingCalendar
+						columnHeaderTitles={columnHeaderTitles}
+						title={singleProjectPage.name}
+						projectInfo={projectInfoSubtitle}
+						assignments={sortedSingleProjectAssignments || []}
+						editable={true}
+						draggableDates={true}
+					>
 						{sortedSingleProjectAssignments?.map((assignment: AssignmentType, rowIndex) => {
 							return (
 								<ProjectAssignmentRow
diff --git a/tailwind.config.ts b/tailwind.config.ts
index b257c94..7303966 100644
--- a/tailwind.config.ts
+++ b/tailwind.config.ts
@@ -24,6 +24,7 @@ const config: Config = {
         selectedColumnBg: "#dfe0ec",
       },
       fontSize: {
+        "2xs": "10px",
         tiny: "14px",
         huge: "28px",
       },