Easy Duration Picker In Vanilla JavaScript – html-duration-picker.js
A pure JavaScript duration picker that allows the user to pick duration (in hours, minutes, seconds) in a normal input field.
Date & Time
Pure JavaScript Date & Time Picker – MTR Datepicker
A pure JavaScript date picker which enables the user to select a date & time by using up / down arrows or mouse wheel.
Handling Timezone In JavaScript – Spacetime
Spacetime is a pure JavaScript library used to manipulate, traverse, compare, and format dates and times across planet Earth.
Easy Timer/Countdown/Chronometer Library – easytimer.js
easytimer.js is an easy-to-use JavaScript library that allows to count up to or countdown from a given value with callback support.
Developer-friendly Date Picker In Pure JavaScript – thedatepicker
thedatepicker is a simple, customizable, developer-friendly date picker plugin implemented in pure (vanilla) JavaScript.
User-friendly Date Picker In JavaScript – date-selector
date-selector is a tiny, user-friendly date picker where the users are able to quickly select years & months from dropdowns.
Vanilla JavaScript Date & Date Range Picker For The Web
This is a flexible, powerful, accessible, multi-language, framework-agnostic date & date range picker for modern web design.
Material Inspired Date & Time Picker – simplePicker
simplePicker is a vanilla JavaScript plugin to create Material Design inspired date picker with time picker integrated.
Lightweight Date & Time Nanipulation Library – dayjs
dayjs is a blazing-fast, ultra light (2kb) alternative to the moment.js library that helps you parse, validate, manipulate, and display dates and times in pure JavaScript.
Generate Event Calendar Links For Google, Yahoo And Outlook – calendar-link
Automatically generates calendar links from events you provide so that you can add the events to the Google Calendar, Yahoo Calendar, Microsoft Outlook, Office 365, and icalendar.