The SobiPro Calendar Field lets you create a date field that features a popup calendar in the Entry Form that lets users easily select a date. In addition, there are sliders that allow you to choose a specific time as well.
It is possible to make the calendar field become the Setting to Specify Entry Start Publishing Date or Specify Entry Stop Publishing Date.
Documentation - Calendar Field
0.9.2 (29.05.2012)
(+) Added timestamp to attributes
(+) Added languages: French, Finnish, Bulgarian, Dutch, Danish, Greek, Spanish, Hungarian, Russian, Turkish and Chinese (many thanks to our translation teams)
(#) Date was depending on the time zone.
(#) Negative integer filtered out - not possible to have date before 1970 (Issue #567)
(#) Search function: in Joomla! 1.5 JavaScript error while selecting the range (Issue #608)
(#) Double CSS class cleaned
0.9.1 (13.10.2011)
(#) Date wrong calculated if entry is edited on 32 bit machines
(#) Not possible to set as not required (Issue #524)
0.9.0 (20.09.2011)
(+) Swedish language (thanks to JOKR Solutions)
(#) Range search doesn't work with one parameter only
(#) After first search the date is wrong calculated
(#) Date wrong calculated if entry is edited
(#) Error creating JS language file for the first time
(#) If no time setting checked, hour and minute are shown although
0.5 - first public release (29.08.2011)