quarterOfYear

Determine the quarter of the year.

Installation

npm install @stdlib/time-quarter-of-year

Usage

var quarterOfYear = require( '@stdlib/time-quarter-of-year' );

quarterOfYear( [month] )

Returns the quarter of the year.

var q = quarterOfYear();
// returns <number>

By default, the function returns the quarter of the year for the current month in the current year (according to local time). To determine the quarter for a particular month, provide either a month or a Date object.

var q = quarterOfYear( new Date() );
// returns <number>

q = quarterOfYear( 4 );
// returns 2

A month may be either a month's integer value, three letter abbreviation, or full name (case insensitive).

var q = quarterOfYear( 4 );
// returns 2

q = quarterOfYear( 'April' );
// returns 2

q = quarterOfYear( 'apr' );
// returns 2

Examples

var quarterOfYear = require( '@stdlib/time-quarter-of-year' );

var months;
var q;
var i;

months = [
    'January',
    'February',
    'March',
    'April',
    'May',
    'June',
    'July',
    'August',
    'September',
    'October',
    'November',
    'December'
];

for ( i = 0; i < months.length; i++ ) {
    q = quarterOfYear( months[ i ] );
    console.log( 'The month of %s is in Q%d.', months[ i ], q );
}

See Also

• @stdlib/time-quarter-of-year-cli: CLI package for use as a command-line utility.
• @stdlib/time-day-of-year: determine the day of the year.

Notice

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.

Community

License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.