diff --git a/module/program/js/common.ui.js b/module/program/js/common.ui.js
index d7d57092e5..6a318624a1 100644
--- a/module/program/js/common.ui.js
+++ b/module/program/js/common.ui.js
@@ -332,15 +332,18 @@ window.onDateChange = () =>
 
     let programBegin = $('[name=begin]').val();
     let programEnd   = $('[name=end]').val();
+    let parentBegin  = $('[data-name=parent]').data('parentBegin');
+    let parentEnd    = $('[data-name=parent]').data('parentEnd');
+
     const ignoreBtn  = "<span id='ignore' onclick='ignoreTip(this)'>" + ignore + "</span>";
 
-    if(programBegin && parentBeginDate && new Date(parentBeginDate) > new Date(programBegin))
+    if(programBegin && parentBegin && new Date(parentBegin) > new Date(programBegin))
     {
-        $('#dateTip').html(beginLessThanParent + parentBeginDate + ignoreBtn).removeClass('hidden');
+        $('#dateTip').html(beginLessThanParent + parentBegin + ignoreBtn).removeClass('hidden');
     }
 
-    if(programEnd && parentEndDate && new Date(parentEndDate) < new Date(programEnd))
+    if(programEnd && parentEnd && new Date(parentEnd) < new Date(programEnd))
     {
-        $('#dateTip').html(endGreatThanParent + parentEndDate + ignoreBtn).removeClass('hidden');
+        $('#dateTip').html(endGreatThanParent + parentEnd + ignoreBtn).removeClass('hidden');
     }
 };
diff --git a/module/program/ui/common.field.php b/module/program/ui/common.field.php
index c5506b68b3..e0e3f76a0d 100644
--- a/module/program/ui/common.field.php
+++ b/module/program/ui/common.field.php
@@ -6,7 +6,9 @@ $fields = defineFieldList('program');
 
 $fields->field('parent')
     ->items(data('parents'))
-    ->value(data('parentProgram.id'));
+    ->value(data('parentProgram.id'))
+    ->data('parentBegin', data('parentProgram.begin'))
+    ->data('parentEnd', data('parentProgram.end'));
 
 $fields->field('name')
     ->wrapBefore(true);
diff --git a/module/program/ui/create.html.php b/module/program/ui/create.html.php
index 300fb151bd..b9b073b5ea 100644
--- a/module/program/ui/create.html.php
+++ b/module/program/ui/create.html.php
@@ -14,8 +14,6 @@ jsVar('endGreatThanParent',  $lang->program->endGreatThanParent);
 jsVar('ignore',              $lang->program->ignore);
 jsVar('currencySymbol',      $lang->project->currencySymbol);
 jsVar('budgetOverrun',       $lang->project->budgetOverrun);
-jsVar('parentBeginDate',     $parentProgram ? $parentProgram->begin : '');
-jsVar('parentEndDate',       $parentProgram ? $parentProgram->end : '');
 jsVar('parentBudgetData',    $parentProgram ? $parentProgram->budget : '');
 
 $fields = useFields('program.create');
diff --git a/module/program/ui/edit.html.php b/module/program/ui/edit.html.php
index dfe1a681ce..1342c0384b 100644
--- a/module/program/ui/edit.html.php
+++ b/module/program/ui/edit.html.php
@@ -15,8 +15,6 @@ jsVar('endGreatThanParent',  $lang->program->endGreatThanParent);
 jsVar('ignore',              $lang->program->ignore);
 jsVar('currencySymbol',      $lang->project->currencySymbol);
 jsVar('budgetOverrun',       $lang->project->budgetOverrun);
-jsVar('parentBeginDate',     zget($parentProgram, 'begin', ''));
-jsVar('parentEndDate',       zget($parentProgram, 'end', ''));
 jsVar('parentBudgetData',    zget($parentProgram, 'budget', ''));
 
 $fields = useFields('program.edit');