Cheat Sheet
Day
| Character | Description | Examples |
|---|---|---|
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 |
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
| Character | Description | Examples |
|---|---|---|
W
|
ISO 8601 week number of year, weeks starting on Monday | Example: 42 (the 42nd week in the year) |
Month
| Character | Description | Examples |
|---|---|---|
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
| Character | Description | Examples |
|---|---|---|
L
|
Whether it's a leap year |
1 if it is a leap year, 0 otherwise.
|
o
|
ISO 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
|
X
|
An expanded full numeric representation of a year, at least 4 digits, with - for years BCE, and + for years CE. |
Examples: -0055, +0787, +1999, +10191
|
x
|
An expanded full numeric representation if requried, or a standard full numeral representation if possible (like Y). At least four digits. Years BCE are prefixed with a -. Years beyond (and including) 10000 are prefixed by a +. |
Examples: -0055, 0787, 1999, +10191
|
Y
|
A full numeric representation of a year, at least 4 digits, with - for years BCE. |
Examples: -0055, 0787, 1999, 2003, 10191
|
y
|
A two digit representation of a year | Examples: 99 or 03
|
Time
| Character | Description | Examples |
|---|---|---|
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. Note that
date()
will always generate 000000 since it takes an int parameter, whereas
DateTime::format()
does support microseconds if
DateTime
was created with microseconds. |
Example: 654321
|
v
|
Milliseconds. Same note applies as for u. |
Example: 654
|
Timezone
| Character | Description | Examples |
|---|---|---|
e
|
Timezone identifier | 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) without colon between hours and minutes | Example: +0200
|
P
|
Difference to Greenwich time (GMT) with colon between hours and minutes | Example: +02:00
|
p
|
The same as P, but returns Z instead of +00:00 (available as of PHP 8.0.0) |
Examples: Z or +02:00
|
T
|
Timezone abbreviation, if known; otherwise the GMT offset. | Examples: EST, MDT, +05
|
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
| Character | Description | Examples |
|---|---|---|
c
|
ISO 8601 date | 2004-02-12T15:19:21+00:00 |
r
|
» RFC 2822/ » RFC 5322 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() |