# Date & Time Formats

# PHP date format

Link: http://www.php.net/manual/en/function.date.php (opens new window)

The format of the outputted date string (opens new window). See the formatting options below. There are also several predefined date constants (opens new window) that may be used instead, so for example DATE_RSS contains the format string 'D, d M Y H:i:s'. The following characters are recognized in the format parameter string

Format character Description Example returned values
Day - -
d Day of the month, 2 digits with leading zeros 01 to 31
D A textual representation of a day, three letters Mon through Sun
j Day of the month without leading zeros 1 to 31
l (lowercase 'L') A full textual representation of the day of the week Sunday through Saturday
N ISO-8601 numeric representation of the day of the week (added in PHP 5.1.0) 1 (for Monday) through 7 (for Sunday)
S English ordinal suffix for the day of the month, 2 characters st, nd, rd or th. Works well with j
w Numeric representation of the day of the week 0 (for Sunday) through 6 (for Saturday)
z The day of the year (starting from 0) 0 through 365
Week - -
W ISO-8601 week number of year, weeks starting on Monday (added in PHP 4.1.0) Example: 42 (the 42nd week in the year)
Month - -
F A full textual representation of a month, such as January or March January through December
m Numeric representation of a month, with leading zeros 01 through 12
M A short textual representation of a month, three letters Jan through Dec
n Numeric representation of a month, without leading zeros 1 through 12
t Number of days in the given month 28 through 31
Year - -
L Whether it's a leap year 1 if it is a leap year, 0 otherwise.
o ISO-8601 year number. This has the same value as Y, except that if the ISO week number (W) belongs to the previous or next year, that year is used instead. (added in PHP 5.1.0) Examples: 1999 or 2003
Y A full numeric representation of a year, 4 digits Examples: 1999 or 2003
y A two digit representation of a year Examples: 99 or 03
Time - -
a Lowercase Ante meridiem and Post meridiem am or pm
A Uppercase Ante meridiem and Post meridiem AM or PM
B Swatch Internet time 000 through 999
g 12-hour format of an hour without leading zeros 1 through 12
G 24-hour format of an hour without leading zeros 0 through 23
h 12-hour format of an hour with leading zeros 01 through 12
H 24-hour format of an hour with leading zeros 00 through 23
i Minutes with leading zeros 00 to 59
s Seconds, with leading zeros 00 through 59
u Microseconds (added in PHP 5.2.2). Note that date() will always generate 000000 since it takes an integer (opens new window) parameter, whereas DateTime::format() (opens new window) does support microseconds. Example: 654321
Timezone - -
e Timezone identifier (added in PHP 5.1.0) Examples: UTC, GMT, Atlantic/Azores
I (capital i) Whether or not the date is in daylight saving time 1 if Daylight Saving Time, 0 otherwise.
O Difference to Greenwich time (GMT) in hours Example: +0200
P Difference to Greenwich time (GMT) with colon between hours and minutes (added in PHP 5.1.3) Example: +02:00
T Timezone abbreviation Examples: EST, MDT ...
Z Timezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive. -43200 through 50400
Full Date/Time - -
c ISO 8601 date (added in PHP 5) 2004-02-12T15:19:21+00:00
r » RFC 2822 (opens new window) formatted date Example: Thu, 21 Dec 2000 16:01:07 +0200
U Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT) See also time() (opens new window)

# jQuery UI date format

Link: http://api.jqueryui.com/datepicker/#utility-formatDate (opens new window)

Link: http://trentrichardson.com/examples/timepicker/ (opens new window)

Format a date into a string value with a specified format.

The format can be combinations of the following:

  • d - day of month (no leading zero)
  • dd - day of month (two digit)
  • o - day of the year (no leading zeros)
  • oo - day of the year (three digit)
  • D - day name short
  • DD - day name long
  • m - month of year (no leading zero)
  • mm - month of year (two digit)
  • M - month name short
  • MM - month name long
  • y - year (two digit)
  • yy - year (four digit)
  • @ - Unix timestamp (ms since 01/01/1970)
  • ! - Windows ticks (100ns since 01/01/0001)
  • '...' - literal text
  • '' - single quote
  • anything else - literal text

There are also a number of predefined standard date formats available from $.datepicker:

  • ATOM - 'yy-mm-dd' (Same as RFC 3339/ISO 8601)
  • COOKIE - 'D, dd M yy'
  • ISO_8601 - 'yy-mm-dd'
  • RFC_822 - 'D, d M y' (See RFC 822)
  • RFC_850 - 'DD, dd-M-y' (See RFC 850)
  • RFC_1036 - 'D, d M y' (See RFC 1036)
  • RFC_1123 - 'D, d M yy' (See RFC 1123)
  • RFC_2822 - 'D, d M yy' (See RFC 2822)
  • RSS - 'D, d M y' (Same as RFC 822)
  • TICKS - '!'
  • TIMESTAMP - '@'
  • W3C - 'yy-mm-dd' (Same as ISO 8601)

Time format:

  • H - Hour with no leading 0 (24 hour)
  • HH - Hour with leading 0 (24 hour)
  • h - Hour with no leading 0 (12 hour)
  • hh - Hour with leading 0 (12 hour)
  • m - Minute with no leading 0
  • mm - Minute with leading 0
  • s - Second with no leading 0
  • ss - Second with leading 0
  • l - Milliseconds always with leading 0
  • c - Microseconds always with leading 0
  • t - a or p for AM/PM
  • T - A or P for AM/PM
  • tt - am or pm for AM/PM
  • TT - AM or PM for AM/PM
  • z - Timezone as defined by timezoneList
  • Z - Timezone in Iso 8601 format (+04:45)
  • '...' - Literal text (Uses single quotes)
Last Updated: 3/11/2021, 5:43:48 PM