/usr/share/php/Horde/ is in php-horde-date 2.4.1-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Horde/Date/
/usr/share/php/Horde/Date.php
/usr/share/php/Horde/Date/Exception.php
/usr/share/php/Horde/Date/Recurrence.php
/usr/share/php/Horde/Date/Repeater/
/usr/share/php/Horde/Date/Repeater.php
/usr/share/php/Horde/Date/Repeater/Day.php
/usr/share/php/Horde/Date/Repeater/DayName.php
/usr/share/php/Horde/Date/Repeater/DayPortion.php
/usr/share/php/Horde/Date/Repeater/Exception.php
/usr/share/php/Horde/Date/Repeater/Fortnight.php
/usr/share/php/Horde/Date/Repeater/Hour.php
/usr/share/php/Horde/Date/Repeater/Minute.php
/usr/share/php/Horde/Date/Repeater/Month.php
/usr/share/php/Horde/Date/Repeater/MonthName.php
/usr/share/php/Horde/Date/Repeater/Season.php
/usr/share/php/Horde/Date/Repeater/SeasonName.php
/usr/share/php/Horde/Date/Repeater/Second.php
/usr/share/php/Horde/Date/Repeater/Time.php
/usr/share/php/Horde/Date/Repeater/Week.php
/usr/share/php/Horde/Date/Repeater/Weekend.php
/usr/share/php/Horde/Date/Repeater/Year.php
/usr/share/php/Horde/Date/Span.php
/usr/share/php/Horde/Date/Translation.php
/usr/share/php/Horde/Date/Utils.php