Javascript date and time formatter with add and subtract date and time functions

epoch-time-machine adds the following functions to the JavaScript Date object:

node.js: require("epoch-time-machine");

epoch

Date.toATOM() - Convert to ATOM string format: 2005-08-15T15:52:01+00:00

Date.toISO8601() - Convert to ISO8601 string format: 2005-08-15T15:52:01+0000

Date.toRFC850() - Convert to RFC850 string format: Monday, 15-Aug-05 15:52:01 UTC

Date.toRFC1036() - Convert to RFC1036 string format: Mon, 15 Aug 05 15:52:01 +0000

Date.toRSS() - Convert to RSS, RFC2822 or RFC1123 string format: Mon, 15 Aug 2005 15:52:01 +0000

Date.toW3C() - Convert to W3C string format: 2005-08-15T15:52:01+00:00

Date.toMySQL() - Convert to MySQL time stamp string format: 2005-08-15 15:52:01

Date.toFormal_date_long() - Convert to formal grammar long date: Thursday, September 22, 2016

Date.toFormal_dateTime_long() - Convert to formal grammar long date & time: Thursday, September 22, 2016, at 5:04pm

Date.toFormal_date_abbr() - Convert to formal grammar abbrivated date: Thu., Sep. 22, 2016

Date.toFormal_dateTime_abbr() - Convert to formal grammar abbrivated date & time: Thu., Sep. 22, 2016, at 5:04pm

Date.toCustomFormat() - Convert to a user specified format using the following flags:

Example

var a = new Date();
a.toCustomFormat("D., M. j, Y, \\a\\t g:ia");  //"Mon., Sep. 26, 2016, at 4:13pm"

##Format Flags

\\ Escapes next character in string

###Day

• d Day of the month, 2 digits with leading zeros. Example: 01 to 31
• j Day of the month without leading zeros. Example: 1 to 31
• D A textual representation of a day, three letters. Example: Mon. through Sun.
• l A full textual representation of the day of the week. Example: Monday through Sunday

###Month

• F A full textual representation of a month, such as January or March
• M A short textual representation of a month, three letters. Example: Jan. through Dec.
• m Numeric representation of a month, with leading zeros. Example: 01 through 12
• n Numeric representation of a month, without leading zeros. Example: 1 through 12

###Year

• Y A full numeric representation of a year, 4 digits. Example: 1999 or 2003
• y A two digit representation of a year. Example: 99 or 03

###Time

• a Lowercase Ante meridiem and Post meridiem. Example: am or pm
• A Uppercase Ante meridiem and Post meridiem. Example: AM or PM
• g 12-hour format of an hour without leading zeros. Example: 1 through 12
• G 24-hour format of an hour without leading zeros. Example: 0 through 23
• h 12-hour format of an hour with leading zeros. Example: 01 through 12
• H 24-hour format of an hour with leading zeros. Example: 00 through 23
• i Minutes with leading zeros. Example: 00 to 59
• s Seconds, with leading zeros. Example: 00 through 59

###Timezone

• e Timezone identifier. Example: UTC, GMT, Atlantic/Azores
• O Difference to Greenwich time (GMT) in hours. Example: +0200
• P Difference to Greenwich time (GMT) with colon between hours and minutes. Example: +02:00
• T Timezone abbreviation. Example: EST, MDT ...

#Time Machine

Add or subtract years, months, days, hours, minutes or seconds using the following functions:

• Date.addYears (number)
• Date.subtractYears (number)
• Date.addMonths (number)
• Date.subtractMonths (number)
• Date.addDays (number)
• Date.subtractDays (number)
• Date.addHours (number)
• Date.subtractHours (number)
• Date.addMinutes (number)
• Date.subtractMinutes (number)
• Date.addSeconds (number)
• Date.subtractSeconds (number)

Example

var a = new Date();  //Thu Sep 22 2016 17:04:50 GMT-0400 (EDT)
a.addYears(5); //Wed Sep 22 2021 17:04:50 GMT-0400 (EDT)