React Datepicker — Reusable Date and Time Picker for React

Introduction

React Datepicker is one of the most widely used date-picking components in the React ecosystem. It provides a calendar popup with support for single dates, date ranges, time selection, and month or year views. The component is built on top of date-fns for date manipulation and localization.

What React Datepicker Does

• Renders an input field with a calendar dropdown for date selection
• Supports date range picking with start and end dates
• Includes time selection with configurable intervals
• Provides month picker and year picker views
• Allows inline calendar rendering without the input field

Architecture Overview

The component manages its open/closed state internally and positions the calendar dropdown relative to the input field using a portal or inline rendering. Date calculations and formatting rely on date-fns, which keeps the bundle modular since only the required date-fns functions are imported. The calendar renders a grid of day cells for the active month, with navigation arrows to change months. Locale support is handled by registering date-fns locale objects.

Installation & Configuration

• Install via npm: npm install react-datepicker
• Import the default CSS for base styling
• Pass a selected date and onChange handler as required props
• Enable time selection with showTimeSelect and set timeIntervals for granularity
• Register date-fns locales for internationalization via the locale prop

Key Features

• Date range selection with startDate, endDate, and selectsRange props
• Time picker with configurable 15, 30, or 60-minute intervals
• Inline calendar mode that renders without a text input
• Min and max date constraints with individual day filtering via filterDate
• Keyboard navigation and ARIA attributes for accessibility

Comparison with Similar Tools

• @mui/x-date-pickers — Material UI styled; requires the MUI ecosystem
• react-day-picker — headless date picker with no default UI; more setup required
• Ant Design DatePicker — full-featured but tied to the Ant Design framework
• flatpickr — vanilla JS library with a React wrapper; not React-native
• react-dates — Airbnb library; no longer actively maintained

FAQ

Q: How do I set minimum and maximum selectable dates? A: Use the minDate and maxDate props with JavaScript Date objects to constrain the range.

Q: Can I customize the appearance? A: Yes. Override the default CSS classes or use the calendarClassName and dayClassName callback props for conditional styling.

Q: Does it support multiple date selection? A: Date range selection (two dates) is built in. For selecting arbitrary multiple dates, use the onChange handler to manage an array in your own state.

Q: How do I localize the calendar for non-English languages? A: Import a locale from date-fns/locale, register it with registerLocale, and pass the locale name to the locale prop.

Sources

• https://github.com/Hacker0x01/react-datepicker
• https://reactdatepicker.com