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The Flutter Calendar, or scheduler library, was natively written in Dart and has eight built-in, configurable view modes that provide basic functionalities for scheduling, managing, and representing appointments efficiently. This Flutter Calendar widget exposes a clean and convenient user interface for custom working days and working hours, and basic calendar operations such as date navigation and selection.

Multiple calendar view modes

A wide range of built-in view modes are available: day, week, workweek, month, schedule, timeline day, timeline week, and timeline workweek. The Flutter Calendar widget allows you to conveniently customize every view with unique, view-specific options.

Day view in Flutter Calendar.


Week view in Flutter Calendar.


Workweek View in Flutter Calendar.


Month view in Flutter Calendar.


Schedule view in Flutter Calendar.


Timeline day view in Flutter Calendar.

Timeline day

Timeline week view in Flutter Calendar.

Timeline week

Timeline workweek view in Flutter Calendar.

Timeline workweek

Timeline month view in Flutter Calendar.

Timeline month


Render recurring, all-day, and spanned appointments to visualize your schedule and events easily. Appointments contain information on events scheduled at specific times. In addition to default appointments, users can use their own collections to connect a business entity to an appointment by mapping their fields, such as start time, end time, subject, notes, and recurrence.

Day view appointments in Flutter Calendar.

Week view appointments in Flutter Calendar.

Workweek view appointments in Flutter Calendar.

Month view appointments in Flutter Calendar.

Month agenda view Appointments in Flutter Calendar.

Schedule view appointments in Flutter Calendar.

Timeline day view appointments in Flutter Calendar.

Timeline week view appointments in Flutter Calendar.

Timeline month view appointments in Flutter Calendar.

Recurring events

Easily configure recurring events on a daily, weekly, monthly, or yearly basis. You can also skip or change an occurrence of a recurring appointment.

Recurring appointments in Flutter Calendar.

Resource view

Display resources as a discrete view integrated with a calendar to display the appointments of each resource in a timeline view and enhance viewability. You can customize the display name, resource panel size, background color, and image.

Resource view in Flutter Calendar.

Month agenda view

Display appointments in a list below the month view by clicking a day.

Month agenda view in Flutter Calendar.

Week numbers in Flutter Calendar.

Week numbers

Display the week numbers of the year in the month, week, and workweek views of the Calendar.

Schedule view

Show a list of scheduled appointments grouped by week, between set minimum and maximum dates, with the schedule view. You can customize everything from the date and time formats to the styling of each header.

Schedule view in Flutter Calendar.

Resize and drag-and-drop appointments

Resize and drag-and-drop support have been added for rescheduling appointments in the event calendar.

Resize and drag and drop in Flutter Calendar.

Calendar details

Returns the calendar details based on the given offset passed through an argument by using the getCalendarDetailsAtOffset method.

Load more

Load appointments on-demand whenever users switch from one view to another or when scrolling to the start or end position of the schedule view.

Special time regions

Disable interactions and selections for specific time ranges. This is useful when you want to block user interaction during holidays or other special events and highlight those time slots.

Special regions Flutter Calendar.

Blackout dates in Flutter Calendar.

Blackout dates

Disable any date in the month and timeline month views of a calendar to make them inactive. Easily prevent the selection of weekends and holidays by disabling them.

Flexible working days

Customize the work days in a workweek so that the remaining days will be hidden from view.

Flexible working days in Flutter Calendar.

Number of days in view

The number of days in view is used to customize the days count in a calendar. It is also applicable for day, week, workweek, timeline day, timeline week, and timeline workweek views.

Number of days in view in Flutter Calendar.

Hide leading trailing dates in Flutter Calendar.

Customize leading and trailing dates

Hide the days of the next month and previous month in a calendar to enhance the appearance.

Current time indicator

The current time indicator displays in the current time slot of the Calendar.

Current time indicator in Flutter Calendar.

Week first day in Flutter Calendar.

First day of the week

Customize the first day of the week as needed. The default first day is Sunday.

Appearance customization


Design and set your own custom view to the month cells, the month header of schedule view, resource header of timeline views, special time regions, and the appointments view of a Flutter Calendar.

Month cell builder in Flutter Calendar.

Month cell

Schedule view month header builder in Flutter Calendar.

Schedule view month header

Resource header builder in Flutter Calendar.

Schedule view month header

Appointment view builder in Flutter Calendar.

Appointment builder

Time Region Builder in Flutter Calendar.

Time region builder


Provide a uniform and consistent look to the Calendar’s appearance and format with a theme.

Appearance customization in Flutter Calendar.

Time zone

Regardless of the time zone in your device, set any required time zone for the widget as well as its events.

Time zones in Flutter Calendar.

Quick view navigation

Navigate among calendar views easily using buttons in the header for date-picker views and also by clicking the month cell and view headers.

Quick navigation in Flutter Calendar.

Date restriction in Flutter Calendar.

Date restriction

Prevent navigation beyond specified minimum and maximum dates. This restricts users from selecting certain dates outside of a range of time.


Easily access the Calendar with screen readers.

Right to left (RTL)

Right-to-left direction support for users working in RTL languages like Hebrew and Arabic.

RTL in Flutter Calendar.

Programmatically navigate to the previous and next views by using the calendar controller. Also, enable or disable view navigation using swipe interaction.

Localization and globalization

Display the current date and time by following the globalized date and time formats and localize all available static text.

Localization in Flutter Calendar.

Flutter Calendar Code Example

Easily get started with the Flutter Calendar using a few simple lines of DART code example as demonstrated below. Also explore our Flutter Calendar Example that shows you how to render and configure the Calendar in Flutter.

import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_calendar/calendar.dart';

Widget build(BuildContext context) {
  return Scaffold(
    body: SfCalendar(
    view: CalendarView.month,
    dataSource: MeetingDataSource(_getDataSource()),
    monthViewSettings: MonthViewSettings(
        appointmentDisplayMode: MonthAppointmentDisplayMode.appointment),

List<Meeting> _getDataSource() {
  final List<Meeting> meetings = <Meeting>[];
  final DateTime today = DateTime.now();
  final DateTime startTime =
      DateTime(today.year, today.month, today.day, 9, 0, 0);
  final DateTime endTime = startTime.add(const Duration(hours: 2));
      'Conference', startTime, endTime, const Color(0xFF0F8644), false));
  return meetings;

class MeetingDataSource extends CalendarDataSource {
  MeetingDataSource(List<Meeting> source) {
    appointments = source;

  DateTime getStartTime(int index) {
    return appointments![index].from;

  DateTime getEndTime(int index) {
    return appointments![index].to;

  String getSubject(int index) {
    return appointments![index].eventName;

  Color getColor(int index) {
    return appointments![index].background;

  bool isAllDay(int index) {
    return appointments![index].isAllDay;

class Meeting {
  Meeting(this.eventName, this.from, this.to, this.background, this.isAllDay);

  String eventName;
  DateTime from;
  DateTime to;
  Color background;
  bool isAllDay;

Frequently Asked Questions

Syncfusion Flutter Calendar provides the following features:

  • 9 in-build view modes available including schedule, day, month, and timeline views with unique view specific customization options.
  • Load events on demand and load event data from business objects.
  • Recurrence events support. View appointments in all calendar views.
  • Resource support to handle multiple user events in a single calendar.
  • Easily reschedule appointments using resize and drag-drop operations.
  • Date navigation restrictions along with cell selection restrictions.
  • Built-in functionalities for easily switch from one view to another. Disable interactions and selection to make specific dates inactive.
  • Customize all the elements with builder support. Create and replace an element’s UI easily.
  • The widget is touch friendly and renders adaptively based on the device, providing the best user experience on phones, tablets, and desktops.
  • Easily build applications for global audience and prepare them to support various languages and cultures.

You can find our Flutter Calendar demo, which demonstrates how to render and configure the Calendar.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue, 5 or fewer developers, and 10 or fewer total employees.

A good place to start would be our comprehensive getting started documentation.

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