/usr/share/php/Horde/ is in php-horde-date-parser 2.0.5-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Horde/Date/
/usr/share/php/Horde/Date/Parser/
/usr/share/php/Horde/Date/Parser.php
/usr/share/php/Horde/Date/Parser/Exception.php
/usr/share/php/Horde/Date/Parser/Handler.php
/usr/share/php/Horde/Date/Parser/Locale/
/usr/share/php/Horde/Date/Parser/Locale/Base/
/usr/share/php/Horde/Date/Parser/Locale/Base.php
/usr/share/php/Horde/Date/Parser/Locale/Base/Grabber.php
/usr/share/php/Horde/Date/Parser/Locale/Base/Ordinal.php
/usr/share/php/Horde/Date/Parser/Locale/Base/Pointer.php
/usr/share/php/Horde/Date/Parser/Locale/Base/Repeater.php
/usr/share/php/Horde/Date/Parser/Locale/Base/Scalar.php
/usr/share/php/Horde/Date/Parser/Locale/Base/Separator.php
/usr/share/php/Horde/Date/Parser/Locale/Base/Timezone.php
/usr/share/php/Horde/Date/Parser/Locale/De/
/usr/share/php/Horde/Date/Parser/Locale/De.php
/usr/share/php/Horde/Date/Parser/Locale/De/Grabber.php
/usr/share/php/Horde/Date/Parser/Locale/De/Ordinal.php
/usr/share/php/Horde/Date/Parser/Locale/De/Pointer.php
/usr/share/php/Horde/Date/Parser/Locale/De/Repeater.php
/usr/share/php/Horde/Date/Parser/Locale/De/Scalar.php
/usr/share/php/Horde/Date/Parser/Locale/De/Separator.php
/usr/share/php/Horde/Date/Parser/Locale/De/Timezone.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/
/usr/share/php/Horde/Date/Parser/Locale/Pt.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/Grabber.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/Ordinal.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/Pointer.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/Repeater.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/Scalar.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/Separator.php
/usr/share/php/Horde/Date/Parser/Locale/Pt/Timezone.php
/usr/share/php/Horde/Date/Parser/Result.php
/usr/share/php/Horde/Date/Parser/Token.php