Busca la funcion date y el sin tener que hacer explode hora separado , minuto separado y segundos. saludos....
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 Milliseconds (added in PHP 5.2.2) Example: 54321
Código PHP:
echo date('l dS \of F Y h:i:s A');