PHP – timezone_abbreviations_list() Function
The PHP timezone_abbreviations_list() returns an associative array containing dst, offset, and the timezone name.
PHP – timezone_identifiers_list() Function
The PHP timezone_identifiers_list() returns an indexed array containing all timezone identifiers.
PHP – timezone_location_get() Function
The PHP timezone_location_get() returns location information for the given timezone.
PHP – timezone_name_from_abbr() Function
The PHP timezone_name_from_abbr() returns the timezone name from abbreviation.
PHP – timezone_offset_get() Function
The PHP timezone_offset_get() returns the timezone offset from GMT.
PHP – timezone_transitions_get() Function
The PHP timezone_transitions_get() returns all transitions for the timezone.
PHP – timezone_version_get() Function
The PHP timezone_version_get() function returns the version of the timezonedb.