betterbrief/silverstripe-betterdatetimefield
SilverStripe 3 Better date/time field 333
silverware/datepicker
SilverWare Datepicker Module. 283
sunnysideup/datefield_simplified
simple date field 66
et-innovations/silverstripe-localdatetime
Localized Date, Time & Date-Time fields for SilverStripe 10