diff --git a/.gitignore b/.gitignore
index 33ddb919..0b0fffcb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -106,4 +106,7 @@ typings/
 .tern-port
 
 docs/.vitepress/cache
-docs/.vitepress/dist
\ No newline at end of file
+docs/.vitepress/dist
+
+# ignore .DS_Store files
+.DS_Store
diff --git a/src/VueDatePicker/constants/defaults.ts b/src/VueDatePicker/constants/defaults.ts
index 9e92c109..41725019 100644
--- a/src/VueDatePicker/constants/defaults.ts
+++ b/src/VueDatePicker/constants/defaults.ts
@@ -1,3 +1,4 @@
+import { WeekStart } from '.';
 import { enUS } from 'date-fns/locale';
 
 export const defaultRangeOptions = {
@@ -148,7 +149,7 @@ export const basePropDefaults = {
 };
 
 export const propDefaults = {
-    weekStart: 1,
+    weekStart: WeekStart.Monday,
     yearRange: (): [number, number] => [1900, 2100],
     ui: () => ({}),
     locale: () => enUS,
diff --git a/src/VueDatePicker/constants/index.ts b/src/VueDatePicker/constants/index.ts
index 0935328d..6558e273 100644
--- a/src/VueDatePicker/constants/index.ts
+++ b/src/VueDatePicker/constants/index.ts
@@ -53,3 +53,13 @@ export enum MAP_KEY_FORMAT {
     YEAR = 'yyyy',
     DATE = 'dd-MM-yyyy',
 }
+
+export enum WeekStart {
+    Sunday = 0,
+    Monday = 1,
+    Tuesday = 2,
+    Wednesday = 3,
+    Thursday = 4,
+    Friday = 5,
+    Saturday = 6,
+}
diff --git a/src/VueDatePicker/types/props.ts b/src/VueDatePicker/types/props.ts
index 59baccf7..133ee66b 100644
--- a/src/VueDatePicker/types/props.ts
+++ b/src/VueDatePicker/types/props.ts
@@ -21,6 +21,7 @@ import type {
 import type { CalendarWeek, Marker, TimeModel, PresetDate, HighlightFn, DisabledTimesFn } from '@/types/picker.ts';
 import type { PickerSection, DateValue, ModelValue, SixWeekMode } from '@/types/generic.ts';
 import { basePropDefaults, type propDefaults } from '@/constants/defaults.ts';
+import type { WeekStart } from '@/constants';
 
 export interface RootProps {
     multiCalendars?: boolean | number | string | Partial<MultiCalendarsConfig>;
@@ -53,7 +54,7 @@ export interface RootProps {
     teleport?: string | boolean | HTMLElement;
     centered?: boolean;
     locale?: Locale;
-    weekStart?: string | number;
+    weekStart?: string | number | WeekStart;
     weekNumbers?: boolean | WeekNumbersConfig;
     dayNames?: (() => string[]) | string[];
     monthPicker?: boolean;
diff --git a/src/index.ts b/src/index.ts
index bba08601..434287c2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,3 +1,4 @@
 export { default as VueDatePicker } from './VueDatePicker/VueDatePickerRoot.vue';
 export { TZDate } from '@date-fns/tz';
 export * from './VueDatePicker/types';
+export { WeekStart } from './VueDatePicker/constants';