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PHP strftime() Function

PHP Date/Time PHP Date/Time Reference

Example

Format local date and time according to locale settings:

<?php
echo(strftime("%B %d %Y, %X %Z",mktime(20,0,0,12,31,98))."<br>");
setlocale(LC_ALL,"hu_HU.UTF8");
echo(strftime("%Y. %B %d. %A. %X %Z"));
?>

Run example »

Definition and Usage

The strftime() function formats a local time and/or date according to locale settings.

Tip: Also look at the gmstrftime() function, which formats a GMT/UTC time and/or date according to locale settings.

Syntax

strftime(format,timestamp);

Parameter Description
format Required. Specifies how to return the result:
  • %a - abbreviated weekday name
  • %A - full weekday name
  • %b - abbreviated month name
  • %B - full month name
  • %c - preferred date and time representation
  • %C - century number (the year divided by 100, range 00 to 99)
  • %d - day of the month (01 to 31)
  • %D - same as %m/%d/%y
  • %e - day of the month (1 to 31)
  • %g - like %G, but without the century
  • %G - 4-digit year corresponding to the ISO week number (see %V).
  • %h - same as %b
  • %H - hour, using a 24-hour clock (00 to 23)
  • %I - hour, using a 12-hour clock (01 to 12)
  • %j - day of the year (001 to 366)
  • %m - month (01 to 12)
  • %M - minute
  • %n - newline character
  • %p - either am or pm according to the given time value
  • %r - time in a.m. and p.m. notation
  • %R - time in 24 hour notation
  • %S - second
  • %t - tab character
  • %T - current time, equal to %H:%M:%S
  • %u - weekday as a number (1 to 7), Monday=1. Warning: In Sun Solaris Sunday=1
  • %U - week number of the current year, starting with the first Sunday as the first day of the first week
  • %V - The ISO 8601 week number of the current year (01 to 53), where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week
  • %W - week number of the current year, starting with the first Monday as the first day of the first week
  • %w - day of the week as a decimal, Sunday=0
  • %x - preferred date representation without the time
  • %X - preferred time representation without the date
  • %y - year without a century (range 00 to 99)
  • %Y - year including the century
  • %Z or %z - time zone or name or abbreviation
  • %% - a literal % character
timestamp Optional. Specifies a Unix timestamp that represents the date and/or time to be formatted. Default is the current local time (time())

Technical Details

Return Value: Returns a string formatted according format using the given timestamp. Month and weekday names and other language-dependent strings respect the current locale set with setlocale()
PHP Version: 4+
Changelog: PHP 5.1.0: Now issues E_STRICT and E_NOTICE time zone errors

PHP Date/Time PHP Date/Time Reference
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