Hello, I have followed this tut on how to change date format to UK format. (several times) and read other threads in this forum such as https://www.zen-cart.com/showthread....he-Date-format and
https://www.zen-cart.com/content.php...-to-dd-mm-yyyy

I have made the changes to includes/languages/custom/english.php and also to admin/includes/languages/english.php

I noticed in my admin/includes/languages/english.php there is no
STEP 9: // text for date of birth example
define('DOB_FORMAT_STRING', 'mm/dd/yyyy'); (I added it in but it makes no difference)

I get error : Error Is your birth date correct? Our system requires the date in this format: MM/DD/YYYY (eg 05/21/1970)
Also the DOB example text still says: 05/21/1970 !!!

I have done this before with no problems. This is my first using 1.5.4 can't understand why it's not changing.