HTML::Microformats::Format::hFreebusy(3pm) on Linux
The text 18bd0349accb, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
an hCalendar free/busy component
The text 18bd0349accb, as Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
an hCalendar free/busy component