Package Exports
- @stdlib/time-days-in-year
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Readme
daysInYear
Determine the number of days in a year according to the Gregorian calendar.
Installation
npm install @stdlib/time-days-in-yearUsage
var daysInYear = require( '@stdlib/time-days-in-year' );daysInYear( [value] )
Returns the number of days in a year according to the Gregorian calendar.
var num = daysInYear();
// returns <number>By default, the function returns the number of days in the current year (according to local time). To determine the number of days for a particular year, provide either a year or a Date object.
var num = daysInYear( new Date() );
// returns <number>
num = daysInYear( 2000 );
// returns 366
num = daysInYear( 2017 );
// returns 365Notes
- The function's return value is a generalization and does not take into account inaccuracies due to daylight savings conventions, crossing timezones, or other complications with time and dates.
Examples
var daysInYear = require( '@stdlib/time-days-in-year' );
var v;
var i;
for ( i = 0; i < 2021; i++ ) {
v = daysInYear( i );
console.log( 'The year %d has %d days.', i, v );
}CLI
Installation
To use the module as a general utility, install the module globally
npm install -g @stdlib/time-days-in-yearUsage
Usage: days-in-year [options] [year]
Options:
-h, --help Print this message.
-V, --version Print the package version.Examples
$ days-in-year
<number>For a specific year,
$ days-in-year 2016
366Notice
This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
License
See LICENSE.
Copyright
Copyright © 2016-2021. The Stdlib Authors.