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datefmtt

v2.0.16

Published

A node.js package for Steven Levithan's excellent dateFormat() function.

Downloads

3

Readme

dateformat

A node.js package for Steven Levithan's excellent [dateFormat()][dateformat] function.

Modifications

  • Removed the Date.prototype.format method. Sorry folks, but extending native prototypes is for suckers.
  • Added a module.exports = dateFormat; statement at the bottom
  • Added the placeholder N to get the ISO 8601 numeric representation of the day of the week

Installation

$ npm install dateformat
$ dateformat --help

Usage

As taken from Steven's post, modified to match the Modifications listed above:

var dateFormat = require('dateformat');
var now = new Date();

// Basic usage
dateFormat(now, "dddd, mmmm dS, yyyy, h:MM:ss TT");
// Saturday, June 9th, 2007, 5:46:21 PM

// You can use one of several named masks
dateFormat(now, "isoDateTime");
// 2007-06-09T17:46:21

// ...Or add your own
dateFormat.masks.hammerTime = 'HH:MM! "Can\'t touch this!"';
dateFormat(now, "hammerTime");
// 17:46! Can't touch this!

// When using the standalone dateFormat function,
// you can also provide the date as a string
dateFormat("Jun 9 2007", "fullDate");
// Saturday, June 9, 2007

// Note that if you don't include the mask argument,
// dateFormat.masks.default is used
dateFormat(now);
// Sat Jun 09 2007 17:46:21

// And if you don't include the date argument,
// the current date and time is used
dateFormat();
// Sat Jun 09 2007 17:46:22

// You can also skip the date argument (as long as your mask doesn't
// contain any numbers), in which case the current date/time is used
dateFormat("longTime");
// 5:46:22 PM EST

// And finally, you can convert local time to UTC time. Simply pass in
// true as an additional argument (no argument skipping allowed in this case):
dateFormat(now, "longTime", true);
// 10:46:21 PM UTC

// ...Or add the prefix "UTC:" or "GMT:" to your mask.
dateFormat(now, "UTC:h:MM:ss TT Z");
// 10:46:21 PM UTC

// You can also get the ISO 8601 week of the year:
dateFormat(now, "W");
// 42

// and also get the ISO 8601 numeric representation of the day of the week:
dateFormat(now,"N");
// 6

Mask options

Mask | Description ---- | ----------- d | Day of the month as digits; no leading zero for single-digit days. dd | Day of the month as digits; leading zero for single-digit days. ddd | Day of the week as a three-letter abbreviation. dddd | Day of the week as its full name. m | Month as digits; no leading zero for single-digit months. mm | Month as digits; leading zero for single-digit months. mmm | Month as a three-letter abbreviation. mmmm | Month as its full name. yy | Year as last two digits; leading zero for years less than 10. yyyy | Year represented by four digits. h | Hours; no leading zero for single-digit hours (12-hour clock). hh | Hours; leading zero for single-digit hours (12-hour clock). H | Hours; no leading zero for single-digit hours (24-hour clock). HH | Hours; leading zero for single-digit hours (24-hour clock). M | Minutes; no leading zero for single-digit minutes. MM | Minutes; leading zero for single-digit minutes. N | ISO 8601 numeric representation of the day of the week. o | GMT/UTC timezone offset, e.g. -0500 or +0230. s | Seconds; no leading zero for single-digit seconds. ss | Seconds; leading zero for single-digit seconds. S | The date's ordinal suffix (st, nd, rd, or th). Works well with d. l | Milliseconds; gives 3 digits. L | Milliseconds; gives 2 digits. t | Lowercase, single-character time marker string: a or p. tt | Lowercase, two-character time marker string: am or pm. T | Uppercase, single-character time marker string: A or P. TT | Uppercase, two-character time marker string: AM or PM. W | ISO 8601 week number of the year, e.g. 42 Z | US timezone abbreviation, e.g. EST or MDT. With non-US timezones or in the '...', "..." | Literal character sequence. Surrounding quotes are removed. UTC: | Must be the first four characters of the mask. Converts the date from local time to UTC/GMT/Zulu time before applying the mask. The "UTC:" prefix is removed.

Named Formats

Name | Mask | Example ---- | ---- | ------- default | ddd mmm dd yyyy HH:MM:ss | Sat Jun 09 2007 17:46:21 shortDate | m/d/yy | 6/9/07 mediumDate | mmm d, yyyy | Jun 9, 2007 longDate | mmmm d, yyyy | June 9, 2007 fullDate | dddd, mmmm d, yyyy | Saturday, June 9, 2007 shortTime | h:MM TT | 5:46 PM mediumTime | h:MM:ss TT | 5:46:21 PM longTime | h:MM:ss TT Z | 5:46:21 PM EST isoDate | yyyy-mm-dd | 2007-06-09 isoTime | HH:MM:ss | 17:46:21 isoDateTime | yyyy-mm-dd'T'HH:MM:ss | 2007-06-09T17:46:21 isoUtcDateTime | UTC:yyyy-mm-dd'T'HH:MM:ss'Z' | 2007-06-09T22:46:21Z

License

(c) 2007-2009 Steven Levithan [stevenlevithan.com][stevenlevithan], MIT license.