betterbrief/silverstripe-betterdatetimefield

Version dev-master 364 SilverStripe 3 Better date/time field

intwebg/silverstripe-datetimepicker

Version dev-master 75 Add a calendar picker to DatetimeField

et-innovations/silverstripe-localdatetime

Version dev-master 13 Localized Date, Time & Date-Time fields for SilverStripe