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date

Description

Format a local time/date

Syntax

date ( string $format [, int $timestamp = time() ] ) : string

Parameters

format

The format of the outputted date string. See the formatting options below. There are also several predefined date constants that may be used instead, so for example DATE_RSS contains the format string 'D, d M Y H:i:s'.

CharacterDescriptionExample
Day
dDay of the month, 2 digits with leading zeros01 - 31
DA textual representation of a day, three lettersMon - Sun
jDay of the month without leading zeros1 - 31
l (lowercase L)A full textual representation of the day of the weekSunday - Saturday
NISO-8601 numeric representation of the day of the week1 - 7 (Monday - Sunday)
SEnglish ordinal suffix for the day of the month, 2 charactersst, nd, rd, th
wNumeric representation of the day of the week0 - 6 (Sunday - Saturday)
zDay of the year0 - 365
Week
WISO-8601 week number of year, weeks starting on Monday1 - 52
Month
FA full textual representation of a monthJanuary - December
mNumeric representation of a month, with leading zeros01 - 12
MA short textual representation of a month, three lettersJan - Dec
nNumeric representation of a month, without leading zeros1 - 12
tNumber of days in the given month28 - 31
Year
LWhether it's a leap year1 (leap year), 0 (otherwise)
oISO-8601 week-numbering year. 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.Examples: 1999 or 2003
YA full numeric representation of a year, 4 digitsExamples: 1999 or 2003
yA two digit representation of a year00 - 99
Time
aLowercase Ante meridiem and Post meridiemam, pm
AUppercase Ante meridiem and Post meridiemAM, PM
BSwatch Internet time000 - 999
g12-hour format of an hour without leading zeros1 - 12
G24-hour format of an hour without leading zeros0 - 23
h12-hour format of an hour with leading zeros01 - 12
H24-hour format of an hour with leading zeros00 - 23
iMinutes with leading zeros00 - 59
sSeconds with leading zeros00 - 59
uMicroseconds. Note that date() will always generate 000000 since it takes an integer parameter, whereas DateTime::format() does support microseconds if DateTime was created with microseconds.Example: 654321
vMilliseconds. Same note applies as for u.Example: 654
Timezone
eTimezone identifierExamples: UTC, GMT, Atlantic/Azores
I (uppercase i)Whether or not the date is in daylight saving time1 (daylight saving time), 0 (otherwise)
ODifference to Greenwich time (GMT) without colon between hours and minutesExample: +0200
PDifference to Greenwich time (GMT) with colon between hours and minutesExample: +02:00
TTimezone abbreviationExamples: EST, MDT ...
ZTimezone offset in seconds. The offset for timezones west of UTC is always negative, and for those east of UTC is always positive.-43200 - 50400
Full Date/Time
cISO 8601 date2004-02-12T15:19:21+00:00
rRFC 2822 formatted dateExample: Thu, 21 Dec 2000 16:01:07 +0200
USeconds since the Unix Epoch (January 1 1970 00:00:00 GMT)See also time()

Unrecognized characters in the format string will be printed as-is. The Z format will always return 0 when using gmdate(). Note: Since this function only accepts integer timestamps the u format character is only useful when using the date_format() function with user based timestamps created with date_create().

timestamp

The optional timestamp parameter is an integer Unix timestamp that defaults to the current local time if a timestamp is not given. In other words, it defaults to the value of time().

Return

Returns a formatted date string. If a non-numeric value is used for timestamp, FALSE is returned and an E_WARNING level error is emitted.

Examples

1 · format

<?

$format = "Y-m-d H:i:s";

$return = date($format);

echo $return;

?>
2024-02-23 20:35:19

2 · timestamp

<?

$hour = 4;
$minute = 5;
$second = 6;
$month = 2;
$day = 3;
$year = 2001;

$format = "Y-m-d H:i:s";
$timestamp = mktime($hour, $minute, $second, $month, $day, $year);

$return = date($format, $timestamp);

echo $return;

?>
2001-02-03 04:05:06

3 · Constants

<?

echo date(DATE_ATOM) . PHP_EOL;
echo date(DATE_RSS);

?>
2024-02-23T20:35:19+00:00
Fri, 23 Feb 2024 20:35:19 +0000

4 · Characters

<?

echo "day" . PHP_EOL;
echo "d: " . date("d") . PHP_EOL;
echo "D: " . date("D") . PHP_EOL;
echo "j: " . date("j") . PHP_EOL;
echo "l: " . date("l") . PHP_EOL;
echo "N: " . date("N") . PHP_EOL;
echo "S: " . date("S") . PHP_EOL;
echo "w: " . date("w") . PHP_EOL;
echo "z: " . date("z") . PHP_EOL . PHP_EOL;
echo "week" . PHP_EOL;
echo "W: " . date("W") . PHP_EOL . PHP_EOL;
echo "month" . PHP_EOL;
echo "F: " . date("F") . PHP_EOL;
echo "m: " . date("m") . PHP_EOL;
echo "M: " . date("M") . PHP_EOL;
echo "n: " . date("n") . PHP_EOL;
echo "t: " . date("t") . PHP_EOL . PHP_EOL;
echo "year" . PHP_EOL;
echo "L: " . date("L") . PHP_EOL;
echo "o: " . date("o") . PHP_EOL;
echo "Y: " . date("Y") . PHP_EOL;
echo "y: " . date("y") . PHP_EOL . PHP_EOL;
echo "time" . PHP_EOL;
echo "a: " . date("a") . PHP_EOL;
echo "A: " . date("A") . PHP_EOL;
echo "B: " . date("B") . PHP_EOL;
echo "g: " . date("g") . PHP_EOL;
echo "G: " . date("G") . PHP_EOL;
echo "h: " . date("h") . PHP_EOL;
echo "H: " . date("H") . PHP_EOL;
echo "i: " . date("i") . PHP_EOL;
echo "s: " . date("s") . PHP_EOL;
echo "u: " . date("u") . PHP_EOL;
echo "v: " . date("v") . PHP_EOL . PHP_EOL;
echo "timezone" . PHP_EOL;
echo "e: " . date("e") . PHP_EOL;
echo "I: " . date("I") . PHP_EOL;
echo "O: " . date("O") . PHP_EOL;
echo "P: " . date("P") . PHP_EOL;
echo "T: " . date("T") . PHP_EOL;
echo "Z: " . date("Z") . PHP_EOL . PHP_EOL;
echo "full date/time" . PHP_EOL;
echo "c: " . date("c") . PHP_EOL;
echo "r: " . date("r") . PHP_EOL;
echo "U: " . date("U");

?>
day
d: 23
D: Fri
j: 23
l: Friday
N: 5
S: rd
w: 5
z: 53

week
W: 08

month
F: February
m: 02
M: Feb
n: 2
t: 29

year
L: 1
o: 2024
Y: 2024
y: 24

time
a: pm
A: PM
B: 899
g: 8
G: 20
h: 08
H: 20
i: 35
s: 19
u: 000000
v: 000

timezone
e: UTC
I: 0
O: +0000
P: +00:00
T: UTC
Z: 0

full date/time
c: 2024-02-23T20:35:19+00:00
r: Fri, 23 Feb 2024 20:35:19 +0000
U: 1708720519

5 · Escape

<?

echo date('l \t\h\e jS \of F');

?>
Friday the 23rd of February
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