dayjs

Overview

2KB immutable date time library alternative to Moment.js with the same modern API . If you use Moment.js, you already know how to use Day.js.

Installation

npm install dayjs

Core API / Usage

dayjs().startOf('month').add(1, 'day').set('year', 2018).format('YYYY-MM-DD HH:mm:ss');

📚[Installation Guide](https://day.js.org/docs/en/installation/installation)

### API

It's easy to use Day.js APIs to parse, validate, manipulate, and display dates and times.

Common Patterns

Pattern 1

📚[API Reference](https://day.js.org/docs/en/parse/parse)

### I18n

Day.js has great support for internationalization.

But none of them will be included in your build unless you use it.

Pattern 2

📚[Internationalization](https://day.js.org/docs/en/i18n/i18n)

### Plugin

A plugin is an independent module that can be added to Day.js to extend functionality or add new features.

Configuration

See the official documentation for configuration options and advanced settings.

Tips & Gotchas

• Works in both Node.js and browser environments.
• Current version: 1.11.19. Check the changelog when upgrading across major versions.