npm install @syncfusion/ej2-react-calendars @syncfusion/ej2-base

import React, { useState } from 'react';
import { CalendarComponent } from '@syncfusion/ej2-react-calendars';
import '@syncfusion/ej2-base/styles/material3.css';
import '@syncfusion/ej2-calendars/styles/material3.css';

export default function App() {
  const [value, setValue] = useState(new Date());
  const onChange = (args) => setValue(args.value || args);

  return (
    <div style={{ padding: 20 }}>
      <h3>Select a date</h3>
      <CalendarComponent value={value} change={onChange} />
      <p>Selected: {value.toDateString()}</p>
    </div>
  );
}

import React, { useState } from 'react';
import { DatePickerComponent } from '@syncfusion/ej2-react-calendars';
import '@syncfusion/ej2-base/styles/material3.css';
import '@syncfusion/ej2-buttons/styles/material3.css';
import '@syncfusion/ej2-inputs/styles/material3.css';
import '@syncfusion/ej2-popups/styles/material3.css';
import '@syncfusion/ej2-react-calendars/styles/material3.css';

export default function App() {
  const [selectedDate, setSelectedDate] = useState(new Date());

  return (
    <div style={{ padding: '20px' }}>
      <h3>Select a Date</h3>
      <DatePickerComponent
        value={selectedDate}
        change={(e) => setSelectedDate(e.value)}
        placeholder="Enter date"
      />
      <p>Selected: {selectedDate?.toDateString()}</p>
    </div>
  );
}

<DatePickerComponent
  value={new Date()}
  min={new Date(2026, 0, 1)}
  max={new Date(2026, 11, 31)}
  placeholder="Select a date in 2026"
/>

<DatePickerComponent
  value={new Date()}
  format="dd/MM/yyyy"
  placeholder="DD/MM/YYYY"
/>

<DatePickerComponent
  value={new Date()}
  format="yyyy-MM-dd"
  inputFormats={['dd/MM/yyyy', 'yyyy-MM-dd', 'yyyyMMdd']}
  placeholder="Enter date (dd/MM/yyyy or yyyy-MM-dd)"
/>

<DatePickerComponent
  value={new Date()}
  start="Decade"
  depth="Year"
  placeholder="Select year"
/>

<DatePickerComponent
  value={new Date()}
  renderDayCell={(args) => {
    if ((args.date.getDay()) === 0 || (args.date.getDay()) === 6) {
      args.isDisabled = true;
    }
  }}
  placeholder="Weekdays only"
/>

const [date, setDate] = useState(null);

<DatePickerComponent
  value={date}
  change={(e) => setDate(e.value)}
  format="yyyy-MM-dd"
  strictMode={true}
  placeholder="Enter date"
/>

<DatePickerComponent
  locale="de"
  enableRtl={false}
  firstDayOfWeek={1}
  value={new Date()}
  placeholder="Datum eingeben"
/>

<DatePickerComponent
  enableMask={true}
  format="MM/dd/yyyy"
  maskPlaceholder={{ day: 'DD', month: 'MM', year: 'YYYY' }}
  placeholder="Select a date"
/>

import { useRef } from 'react';

const datePickerRef = useRef(null);

// Open calendar
datePickerRef.current.show();

// Close calendar
datePickerRef.current.hide();

// Focus
datePickerRef.current.focusIn();

// Get current view
const view = datePickerRef.current.currentView(); // "Month" | "Year" | "Decade"

// Navigate to specific view
datePickerRef.current.navigateTo('Year', new Date(2026, 0, 1));

<DatePickerComponent ref={datePickerRef} value={new Date()} />

<DatePickerComponent
  value={new Date()}
  change={(e) => console.log('Changed:', e.value)}
  focus={(e) => console.log('Focused')}
  blur={(e) => console.log('Blurred')}
  open={(e) => console.log('Opened')}
  close={(e) => console.log('Closed')}
  cleared={(e) => console.log('Cleared')}
  navigated={(e) => console.log('Navigated to view:', e.view)}
  renderDayCell={(args) => {
    // Disable weekends
    if (args.date.getDay() === 0 || args.date.getDay() === 6) {
      args.isDisabled = true;
    }
  }}
/>

import { DateRangePickerComponent } from '@syncfusion/ej2-react-calendars';
import * as React from 'react';
import '@syncfusion/ej2-base/styles/material3.css';
import '@syncfusion/ej2-buttons/styles/material3.css';
import '@syncfusion/ej2-lists/styles/material3.css';
import '@syncfusion/ej2-inputs/styles/material3.css';
import '@syncfusion/ej2-popups/styles/material3.css';
import '@syncfusion/ej2-calendars/styles/material3.css';

function App() {
  const [selectedRange, setSelectedRange] = React.useState<[Date, Date] | null>(null);

  const handleDateRangeChange = (e: any) => {
    setSelectedRange([e.startDate, e.endDate]);
  };

  return (
    <div style={{ padding: '20px' }}>
      <h2>Select Date Range</h2>
      <DateRangePickerComponent
        id="daterangepicker"
        placeholder="Select a range"
        change={handleDateRangeChange}
      />
      {selectedRange && (
        <p>
          Selected: {selectedRange[0]?.toLocaleDateString()} - {selectedRange[1]?.toLocaleDateString()}
        </p>
      )}
    </div>
  );
}

export default App;

import { DateRangePickerComponent } from '@syncfusion/ej2-react-calendars';
import * as React from 'react';

function ReportingDashboard() {
  const [dateRange, setDateRange] = React.useState<[Date, Date] | null>(null);

  const getDateRangePresets = () => {
    const today = new Date();
    const yesterday = new Date(today);
    yesterday.setDate(today.getDate() - 1);
    
    const last7Days = new Date(today);
    last7Days.setDate(today.getDate() - 7);
    
    const last30Days = new Date(today);
    last30Days.setDate(today.getDate() - 30);
    
    const thisMonth = new Date(today.getFullYear(), today.getMonth(), 1);
    const lastMonth = new Date(today.getFullYear(), today.getMonth(), 0);

    return [
      { text: 'Today', value: [today, today] },
      { text: 'Yesterday', value: [yesterday, yesterday] },
      { text: 'Last 7 Days', value: [last7Days, today] },
      { text: 'Last 30 Days', value: [last30Days, today] },
      { text: 'This Month', value: [thisMonth, today] },
      { text: 'Last Month', value: [new Date(today.getFullYear(), today.getMonth() - 1, 1), lastMonth] },
    ];
  };

  const handlePresetClick = (start: Date, end: Date) => {
    setDateRange([start, end]);
  };

  return (
    <div style={{ padding: '20px' }}>
      <h3>Analytics Report</h3>
      <DateRangePickerComponent
        id="daterangepicker"
        placeholder="Select report date range"
        startDate={dateRange?.[0]}
        endDate={dateRange?.[1]}
        change={(e: any) => setDateRange([e.startDate, e.endDate])}
      />
      
      <div style={{ marginTop: '15px' }}>
        {getDateRangePresets().map((preset) => (
          <button
            key={preset.text}
            onClick={() => handlePresetClick(preset.value[0], preset.value[1])}
            style={{ marginRight: '10px', padding: '5px 10px' }}
          >
            {preset.text}
          </button>
        ))}
      </div>
    </div>
  );
}

export default ReportingDashboard;

import { DateRangePickerComponent } from '@syncfusion/ej2-react-calendars';
import { ButtonComponent } from '@syncfusion/ej2-react-buttons';
import * as React from 'react';

function BookingForm() {
  const [dateRange, setDateRange] = React.useState<[Date, Date] | null>(null);
  const [validationError, setValidationError] = React.useState<string>('');

  const minDate = new Date();
  const maxDate = new Date();
  maxDate.setDate(maxDate.getDate() + 90); // 90 days from now

  const handleDateRangeChange = (e: any) => {
    setValidationError('');
    
    if (!e.startDate || !e.endDate) {
      return;
    }

    const start = new Date(e.startDate);
    const end = new Date(e.endDate);

    // Validation checks
    if (start > end) {
      setValidationError('Start date must be before end date');
      return;
    }

    const daysDifference = (end.getTime() - start.getTime()) / (1000 * 60 * 60 * 24);
    if (daysDifference > 30) {
      setValidationError('Date range cannot exceed 30 days');
      return;
    }

    setDateRange([start, end]);
  };

  const handleSubmit = (e: React.FormEvent) => {
    e.preventDefault();
    if (dateRange && !validationError) {
      console.log('Booking dates:', {
        checkIn: dateRange[0].toLocaleDateString(),
        checkOut: dateRange[1].toLocaleDateString(),
      });
    }
  };

  return (
    <form onSubmit={handleSubmit} style={{ padding: '20px', maxWidth: '500px' }}>
      <h3>Book Your Stay</h3>
      
      <label style={{ display: 'block', marginBottom: '8px' }}>
        Select Check-in and Check-out Dates (Max 30 days)
      </label>
      
      <DateRangePickerComponent
        id="daterangepicker"
        placeholder="Select check-in and check-out"
        min={minDate}
        max={maxDate}
        startDate={dateRange?.[0]}
        endDate={dateRange?.[1]}
        change={handleDateRangeChange}
        style={{ width: '100%', marginBottom: '8px' }}
      />

      {validationError && (
        <div style={{ color: 'red', marginBottom: '10px', fontSize: '14px' }}>
          ⚠️ {validationError}
        </div>
      )}

      <ButtonComponent 
        type="submit" 
        isPrimary={true} 
        disabled={!dateRange || !!validationError}
      >
        Book Now
      </ButtonComponent>
    </form>
  );
}

export default BookingForm;