dayOfQuarter

Determine the day of the 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

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