dayOfQuarter
Determine the day of the quarter.
Installation
npm install @stdlib/time-day-of-quarter
Usage
var dayOfQuarter = require( '@stdlib/time-day-of-quarter' );
dayOfQuarter( [month[, day, year]] )
Returns the day of the quarter.
var num = dayOfQuarter();
// returns <number>
By default, the function returns the day of the quarter for the current date (according to local time). To determine the day of the quarter for a particular day, provide month
, day
, and year
arguments.
var num = dayOfQuarter( 12, 31, 2016 );
// returns 92
A month
may be either a month's integer value, three letter abbreviation, or full name (case insensitive).
var num = dayOfQuarter( 12, 31, 2016 );
// returns 92
num = dayOfQuarter( 'dec', 31, 2016 );
// returns 92
num = dayOfQuarter( 'december', 31, 2016 );
// returns 92
The function also supports providing a Date
object.
var num = dayOfQuarter( new Date() );
// returns <number>
Examples
var quarterOfYear = require( '@stdlib/time-quarter-of-year' );
var dayOfQuarter = require( '@stdlib/time-day-of-quarter' );
var months;
var day;
var yr;
var q;
var v;
var i;
months = [
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December'
];
yr = 2016;
day = 9;
for ( i = 0; i < months.length; i++ ) {
q = quarterOfYear( months[ i ] );
v = dayOfQuarter( months[ i ], day, yr );
console.log( 'In the year %d, %s %d is day number %d of Q%d.', yr, months[ i ], day, v, q );
}
CLI
Installation
To use the module as a general utility, install the module globally
npm install -g @stdlib/time-day-of-quarter
Usage
Usage: day-of-quarter [options] [<month> <day> <year>]
Options:
-h, --help Print this message.
-V, --version Print the package version.
Examples
$ day-of-quarter
<number>
For a specific date,
$ day-of-quarter 12 31 2016
92
See Also
-
@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 © 2016-2022. The Stdlib Authors.