PHP & MySQL Date Format Reference

Title PHP PHP example MySQL MySQL example Notes
date($format, [$timestamp]) DATE_FORMAT(date, format)

Day & Date

Day of month with leading zero d 25 %d 25
Day of month without leading zero j 25 %e 25
Day of month with english ordinal suffix jS 25th %D 25th
Day name l Wednesday %W Wednesday
Day name abbreviated D Wed %a Wed
Day number in current week w 3 %w 3 0-Sunday, 6-Saturday
Day number in current year z 114 %j 115 PHP 0-365, MySQL 001-366

Month

Month of year with leading zero m 04 %m 04
Month of year without leading zero n 4 %c 4
Month name F April %M April
Month name abbreviated M Apr %b Apr

Year

Year Y 2018 %Y 2018
Year abbreviated y 18 %y 18

Hour

24 Hour with leading zero H 21 %H 21
24 Hour without leading zero G 21 %k 21
12 Hour with leading zero h 09 %h 09 %I also works in MySQL
12 Hour without leading zero g 9 %l 9
AM or PM A PM %p PM 'a' can also be used in php for lowercase result.

Minute

Minute with leading zero i 20 %i 20

Second

Seconds with leading zero s 54 %s 54 %S also works in MySQL

Other

Microseconds u 000000 %f 000000
Leap year L 0 '1' if leap year, '0' if not. No MySql alternative.
Documentation php.net - date() mysql.com - date_format()