PHP Date/Time Formats

PHP Date/Time Formats
Usually used with the date() function. For more detailed examples and information, see the PHP online documentation, in particular, the date function page.

A couple of examples:

date("F jS, Y",time()); = February 10th, 2010

date("g:ia / M jS",time()); = 1:03am / Feb 10th

Description Example returned values
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
c ISO 8601 date (added in PHP 5) 2004-02-12T15:19:21+00:00
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
F A full textual representation of a month, such as January or March January through December
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
I Whether or not the date is in daylights savings time 1 if Daylight Savings Time, 0 otherwise.
j Day of the month without leading zeros 1 to 31
l A full textual representation of the day of the week Sunday through Saturday
L Whether it's a leap year 1 if it is a leap year, 0 otherwise.
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
O Difference to Greenwich time (GMT) in hours Example: +0200
r RFC 2822 formatted date Example: Thu, 21 Dec 2000 16:01:07 +0200
s Seconds, with leading zeros 00 through 59
S English ordinal suffix for the day of the month, 2 characters st, nd, rd or th. Works well with j
t Number of days in the given month 28 through 31
T Timezone setting of this machine Examples: EST, MDT ...
U Seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)
w Numeric representation of the day of the week 0 (for Sunday) through 6 (for Saturday)
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)
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
z The day of the year (starting from 0) 0 through 365
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 43200