Why time functions show invalid time zone when using ‘c’ time format?
The issue is that for correct output WP needs to process date through date_i18n() function. When you use date format, hardcoded in PHP code (not simply saved in PHP DATE_* constant) like ‘c’ – it’s not available to your code and so for WP to process. System-wide fix would be to re-process date with analogous … Read more