


PHP time format control character comparison table_PHP tutorial
format character | Description | Return value example |
---|---|---|
日 | --- | --- |
d | The day of the month, a 2-digit number with leading zeros | 01 to 31 |
j | Day of the month, no leading zero | 1 to 31 |
S | The English suffix after the day of the month, 2 characters | st, nd, rd or th. Can be used with j |
z | Day of the year | 0 to 366 |
week | --- | --- |
l (lower case letter of "L") | Day of the week, complete text format | Sunday to Saturday |
D | Day of the week, text representation, 3 letters | Mon to Sun |
N | Day of the week represented by numbers in ISO-8601 format (new in PHP 5.1.0) | 1 (for Monday) to 7 (for Sunday) |
w | The day of the week, represented by numbers | 0 (for Sunday) to 6 (for Saturday) |
W | The week number of the year in ISO-8601 format, each week starts on Monday (new in PHP 4.1.0) | Example: 42 (the 42nd week of the year) |
Month | --- | --- |
F | Month, complete text format, such as January or March | January to December |
m | The month represented by the number, with leading zeros | 01 to 12 |
M | The month represented by the three-letter abbreviation | Jan to Dec |
n | Numeric month, without leading zeros | 1 to 12 |
t | The number of days in a given month | 28 to 31 |
Year | --- | --- |
L | Whether it is a leap year | 1 if it is a leap year, 0 otherwise |
o | ISO-8601 format year number. This is the same value as Y, except that if the ISO week number (W) belongs to the previous or next year, that year is used.(New in PHP 5.1.0) | Examples: 1999 or 2003 |
Y | Full 4-digit year | For example: 1999 or 2003 |
y | 2-digit year | Example: 99 or 03 |
Time | --- | --- |
a | Lowercase AM and PM values | am or pm |
A | Capital AM and PM values | AM or PM |
B | Swatch Internet Standard Time | 000 to 999 |
g | Hour, 12 hour format, no leading zeros | 1 to 12 |
G | Hour, 24 hour format, no leading zeros | 0 to 23 |
h | Hour, 12 hour format, with leading zeros | 01 to 12 |
H | Hour, 24-hour format, with leading zeros | 00 to 23 |
i | Minutes with leading zeros | 00 to 59> |
s | Seconds, with leading zeros | 00 to 59> |
Time Zone | --- | --- |
e | Time zone identifier (new in PHP 5.1.0) | Example: UTC, GMT, Atlantic/Azores |
I | Whether it is daylight saving time | 1 if daylight saving time, 0 otherwise |
O | Hours from Greenwich Mean Time | For example: +0200 |
P | The difference from Greenwich Mean Time (GMT), there is a colon separating hours and minutes (newly added in PHP 5.1.3) | Example: +02:00 |
T | The time zone where this machine is located | For example: EST, MDT ([Translator's Note] In complete text format under Windows, such as "Eastern Standard Time", the Chinese version will display "China Standard Time"). |
Z | Time difference offset in seconds. Time zone offsets west of UTC are always negative, and time zone offsets east of UTC are always positive. | -43200 to 43200 |
Full date/time | --- | --- |
c | Date in ISO 8601 format (new in PHP 5) | 2004-02-12T15:19:21+00:00 |
r | Date in RFC 822 format | For example: Thu, 21 Dec 2000 16:01:07 +0200 |
U | The number of seconds since the Unix epoch (January 1 1970 00:00:00 GMT), that is, the timestamp | See time() |

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