Leap-year Packages

General Date Format

Converts date to and from julian days in gLib GDate style

a small date library whose focus is on this moment in time

javascript code for finding the year is leap year or not

A utility to check if a given year is a leap year

functionality related to leap year.

Pass in a year (an integer, not a Date). Returns true if it's a leap year, false if not

Test if a value corresponds to a leap year in the Gregorian calendar.

Test if a value corresponds to a leap year in the Gregorian calendar.

A comprehensive toolkit for working with dates, times, and epoch conversions in JavaScript. Provides utilities for date formatting, validation, leap year checking, and more.

It is a simple npm package that allows you to check whether a given year is a leap year or a common year.

A date utility package with inbuilt date functions for different formats.