diff --git a/__test__/components/DateTimeField.test.tsx b/__test__/components/DateTimeField.test.tsx
index 184f218..95e4de8 100644
--- a/__test__/components/DateTimeField.test.tsx
+++ b/__test__/components/DateTimeField.test.tsx
@@ -84,8 +84,7 @@ describe("DateTimeFields", () => {
       showMore: true,
     });
 
-    const calendarButton = screen.getAllByRole("button");
-    await userEvent.click(calendarButton[0]);
+    await userEvent.click(screen.getByTestId("start-date-input"));
     const dayButton = screen.getByRole("gridcell", { name: "3" });
     await userEvent.click(dayButton);
 
@@ -129,8 +128,7 @@ describe("DateTimeFields", () => {
       showMore: true,
     });
 
-    const calendarButton = screen.getAllByRole("button");
-    await userEvent.click(calendarButton[2]);
+    await userEvent.click(screen.getByTestId("end-date-input"));
     const dayButton = screen.getByRole("gridcell", { name: "3" });
     await userEvent.click(dayButton);
 
@@ -151,8 +149,7 @@ describe("DateTimeFields", () => {
       showEndDate: true,
     });
 
-    const calendarButton = screen.getAllByRole("button");
-    await userEvent.click(calendarButton[0]);
+    await userEvent.click(screen.getByTestId("start-date-input"));
     const dayButton = screen.getByRole("gridcell", { name: "10" });
     await userEvent.click(dayButton);
 
@@ -173,8 +170,7 @@ describe("DateTimeFields", () => {
       showEndDate: true,
     });
 
-    const calendarButton = screen.getAllByRole("button");
-    await userEvent.click(calendarButton[1]);
+    await userEvent.click(screen.getByTestId("end-date-input"));
     const dayButton = screen.getByRole("gridcell", { name: "1" });
     await userEvent.click(dayButton);
 
diff --git a/src/components/Event/components/DateTimeFields.tsx b/src/components/Event/components/DateTimeFields.tsx
index 89cf6cb..53d1568 100644
--- a/src/components/Event/components/DateTimeFields.tsx
+++ b/src/components/Event/components/DateTimeFields.tsx
@@ -15,6 +15,7 @@ import "dayjs/locale/vi";
 
 import { PickerValue } from "@mui/x-date-pickers/internals";
 import { dtDate, dtTime, toDateTime } from "../utils/dateTimeHelpers";
+import { ReadOnlyDateField } from "./ReadOnlyPickerField";
 
 dayjs.extend(customParseFormat);
 
@@ -256,6 +257,16 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
     },
   });
 
+  const getFieldSlotProps = (testId: string, hasError = false) => ({
+    size: "small" as const,
+    margin: "dense" as const,
+    fullWidth: true,
+    InputLabelProps: { shrink: true },
+    error: hasError,
+    sx: { width: "100%" },
+    inputProps: { "data-testid": testId },
+  });
+
   return (
     <LocalizationProvider
       dateAdapter={AdapterDayjs}
@@ -280,7 +291,11 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                   format={LONG_DATE_FORMAT}
                   value={startDateValue}
                   onChange={handleStartDateChange}
-                  slotProps={getSlotProps("start-date-input")}
+                  slots={{ field: ReadOnlyDateField }}
+                  slotProps={{
+                    ...getSlotProps("start-date-input"),
+                    field: getFieldSlotProps("start-date-input") as any,
+                  }}
                 />
               </Box>
               {!allday && (
@@ -302,10 +317,14 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                   format={LONG_DATE_FORMAT}
                   value={endDateValue}
                   onChange={handleEndDateChange}
-                  slotProps={getSlotProps(
-                    "end-date-input",
-                    !!validation.errors.dateTime
-                  )}
+                  slots={{ field: ReadOnlyDateField }}
+                  slotProps={{
+                    ...getSlotProps("end-date-input", !!validation.errors.dateTime),
+                    field: getFieldSlotProps(
+                      "end-date-input",
+                      !!validation.errors.dateTime
+                    ) as any,
+                  }}
                 />
               </Box>
               {!allday && (
@@ -332,7 +351,11 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                 format={LONG_DATE_FORMAT}
                 value={startDateValue}
                 onChange={handleStartDateChange}
-                slotProps={getSlotProps("start-date-input")}
+                slots={{ field: ReadOnlyDateField }}
+                slotProps={{
+                  ...getSlotProps("start-date-input"),
+                  field: getFieldSlotProps("start-date-input") as any,
+                }}
               />
             </Box>
             <Box sx={{ maxWidth: "300px", width: "48%" }}>
@@ -341,10 +364,14 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                 format={LONG_DATE_FORMAT}
                 value={endDateValue}
                 onChange={handleEndDateChange}
-                slotProps={getSlotProps(
-                  "end-date-input",
-                  !!validation.errors.dateTime
-                )}
+                slots={{ field: ReadOnlyDateField }}
+                slotProps={{
+                  ...getSlotProps("end-date-input", !!validation.errors.dateTime),
+                  field: getFieldSlotProps(
+                    "end-date-input",
+                    !!validation.errors.dateTime
+                  ) as any,
+                }}
               />
             </Box>
           </Box>
@@ -356,7 +383,11 @@ export const DateTimeFields: React.FC<DateTimeFieldsProps> = ({
                 format={LONG_DATE_FORMAT}
                 value={startDateValue}
                 onChange={handleStartDateChange}
-                slotProps={getSlotProps("start-date-input")}
+                slots={{ field: ReadOnlyDateField }}
+                slotProps={{
+                  ...getSlotProps("start-date-input"),
+                  field: getFieldSlotProps("start-date-input") as any,
+                }}
               />
             </Box>
             <Box sx={{ maxWidth: "110px" }}>
diff --git a/src/components/Event/components/ReadOnlyPickerField.tsx b/src/components/Event/components/ReadOnlyPickerField.tsx
new file mode 100644
index 0000000..20421a5
--- /dev/null
+++ b/src/components/Event/components/ReadOnlyPickerField.tsx
@@ -0,0 +1,95 @@
+import React from "react";
+import TextField from "@mui/material/TextField";
+import {
+  PickerFieldAdapter,
+  PickerValidationScope,
+  useValidation,
+  validateDate,
+} from "@mui/x-date-pickers/validation";
+import {
+  useSplitFieldProps,
+  useParsedFormat,
+  usePickerContext,
+} from "@mui/x-date-pickers/hooks";
+import { PickerFieldProps } from "@mui/x-date-pickers/models";
+import { DatePickerFieldProps } from "@mui/x-date-pickers/DatePicker";
+
+type FieldType = "date" | "time" | "date-time";
+
+type GenericPickerFieldProps = PickerFieldProps<any, any, any> & {
+  fieldType: FieldType;
+  validator: (
+    value: any,
+    context: PickerValidationScope,
+    adapter: PickerFieldAdapter<any>
+  ) => string | null;
+};
+
+/**
+ * Shared read-only field for date/time pickers. Disables typing, removes icon,
+ * and opens the picker when clicking anywhere in the field.
+ */
+function ReadOnlyPickerField(props: GenericPickerFieldProps) {
+  const { fieldType, validator, ...fieldProps } = props;
+  const { internalProps, forwardedProps } = useSplitFieldProps(
+    fieldProps,
+    fieldType
+  );
+
+  const pickerContext = usePickerContext();
+  const parsedFormat = useParsedFormat();
+
+  const { hasValidationError } = useValidation({
+    validator,
+    value: pickerContext.value,
+    timezone: pickerContext.timezone,
+    props: internalProps,
+  });
+
+  const valueToDisplay =
+    pickerContext.value == null
+      ? ""
+      : pickerContext.value.isValid()
+      ? pickerContext.value.format(pickerContext.fieldFormat)
+      : "";
+
+  const mergedInputProps = {
+    ...forwardedProps.InputProps,
+    ref: pickerContext.triggerRef,
+    readOnly: true,
+    sx: {
+      cursor: "pointer",
+      "& *": { cursor: "inherit" },
+      ...forwardedProps.InputProps?.sx,
+    },
+  };
+
+  return (
+    <TextField
+      {...forwardedProps}
+      value={valueToDisplay}
+      placeholder={parsedFormat as string}
+      InputProps={mergedInputProps}
+      error={hasValidationError}
+      focused={pickerContext.open}
+      onClick={() => pickerContext.setOpen((prev) => !prev)}
+      className={pickerContext.rootClassName}
+      sx={pickerContext.rootSx}
+      ref={pickerContext.rootRef}
+      name={pickerContext.name}
+      label={pickerContext.label}
+    />
+  );
+}
+
+export function ReadOnlyDateField(props: DatePickerFieldProps) {
+  return (
+    <ReadOnlyPickerField
+      {...props}
+      fieldType="date"
+      validator={validateDate}
+    />
+  );
+}
+
+