Using WordPress ‘current_datetime()’ PHP function
Retrieves the current time as an object using the site’s timezone.
timezone
Using WordPress ‘get_comment_time()’ PHP function
The `get_comment_time()` function in WordPress retrieves the comment time of the current comment in various formats and options
Using WordPress ‘get_gmt_from_date()’ PHP function
Given a date in the timezone of the site, returns that date in UTC.
Using WordPress ‘mysql2date()’ PHP function
Converts given MySQL date string into a different format.