Date and Time Libraries

A simple DateTime API extension.

CRON for PHP: Calculate the next or previous run date and determine if a CRON expression is due

Kimai v2 is a web-based multiuser time-tracking application.

Manage events on a Google Calendar

A DateTime API extension supporting both mutable and immutable date/time.

iCal-creator for PHP - This package offers an abstraction layer for creating iCalendars files

📆 Calendar app for Nextcloud

A library to help you calculate the dates and names of holidays.

Moment.js inspired PHP DateTime handler with i18n support.

A calendar management library.

Organization tool for citizen's collectives

Organization tool for citizen's collectives

A fluent extension to PHPs DateTime class.

ReCalendar - highly customizable calendar for ReMarkable tablets

Parse and validate crontab expressions in PHP

Flexible Calendar for Laravel 4

Working with durations made easy

Wordpress Plugin to show a small amount of events in an easy to use calender/schedule

Featured Calendar Maker v1.0 multingual extends the functionalities of the latest version of the FullCalendar (5.3.2), the most popular and completed JavaScript Calendar open source