Customize the DatePicker day header in React Datepicker component

21 Feb 20267 minutes to read

The day names displayed in the calendar header can be customized using the dayHeaderFormat property. By default, the format is Short. The following formats are available:

Name	Description
Short	Displays the short format of day names (e.g., Su) in the header.
Narrow	Displays a single character representation of day names (e.g., S) in the header.
Abbreviated	Displays the abbreviated format of day names (e.g., Sun) in the header.
Wide	Displays the full format of day names (e.g., Sunday) in the header.

index.jsx

// import the datepickercomponent
import { DatePickerComponent } from '@syncfusion/ej2-react-calendars';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import * as React from 'react';
import * as ReactDOM from 'react-dom';
export default class App extends React.Component {
    datepickerObj;
    floatLabelObj;
    floatData;
    fields;
    value = 'Short';
    constructor(props) {
        super(props);
        this.floatData = [
            { Id: 'Short', Label: 'Short' },
            { Id: 'Narrow', Label: 'Narrow' },
            { Id: 'Abbreviated', Label: 'Abbreviated' },
            { Id: 'Wide', Label: 'Wide' }
        ];
        this.fields = { text: 'Label', value: 'Id' };
    }
    formatHandler(args) {
        this.datepickerObj.dayHeaderFormat = args.value;
    }
    render() {
        return (
        // specifies the tag for render the DatePicker component
        <div id='container'>
                <div id='datepicker'>
                    <DatePickerComponent ref={(datepicker) => this.datepickerObj = datepicker} dayHeaderFormat="Short"/>
                </div>
                <div id="format">
                     <label className="custom-input-label">Header Format Types</label>
                    <DropDownListComponent id="select" value={this.value} dataSource={this.floatData} ref={(dropdownlist) => { this.floatLabelObj = dropdownlist; }} fields={this.fields} change={this.formatHandler.bind(this)}/>
            </div>
          </div>);
    }
}
ReactDOM.render(<App />, document.getElementById('element'));

index.tsx

// import the datepickercomponent
import { DatePickerComponent } from '@syncfusion/ej2-react-calendars';
import { DropDownListComponent } from '@syncfusion/ej2-react-dropdowns';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

export default class App extends React.Component<{}, {}> {
    public datepickerObj: DatePickerComponent;
    public floatLabelObj: DropDownListComponent;
    private floatData: { [key: string]: Object }[];
    private fields: object;
    private value: string = 'Short';
    constructor(props: {}) {
    super(props);
    this.floatData = [
      { Id: 'Short', Label: 'Short' },
      { Id: 'Narrow', Label: 'Narrow' },
      { Id: 'Abbreviated', Label: 'Abbreviated' },
      { Id: 'Wide', Label: 'Wide' }
    ];
    this.fields = { text: 'Label', value: 'Id' };
    }
    private formatHandler(args: any): void {
        this.datepickerObj.dayHeaderFormat = args.value;
    }
    public render() {
        return (
            // specifies the tag for render the DatePicker component
            <div id='container'>
                <div id='datepicker'>
                    <DatePickerComponent ref={(datepicker) => this.datepickerObj = datepicker} dayHeaderFormat="Short"/>
                </div>
                <div id="format">
                     <label className="custom-input-label">Header Format Types</label>
                    <DropDownListComponent id="select" value = {this.value}  dataSource={this.floatData} ref={(dropdownlist) => { this.floatLabelObj = dropdownlist }} fields={this.fields} change={this.formatHandler.bind(this)}/>
            </div>
          </div>
        );
     }
 }

ReactDOM.render(<App />, document.getElementById('element'));