diff --git a/src/app/components/calendar/calendar.ts b/src/app/components/calendar/calendar.ts
index a874ea955dd..85d2006053d 100644
--- a/src/app/components/calendar/calendar.ts
+++ b/src/app/components/calendar/calendar.ts
@@ -2688,6 +2688,10 @@ export class Calendar implements OnInit, OnDestroy, ControlValueAccessor {
 
     toggleAMPMIfNotMinDate(newPM: boolean) {
         let value = this.value;
+
+        if (this.selectionMode === 'range' && Array.isArray(value) && value.length > 0) {
+            value = value[value.length - 1];
+        }
         const valueDateString = value ? value.toDateString() : null;
         let isMinDate = this.minDate && valueDateString && this.minDate.toDateString() === valueDateString;
         if (isMinDate && this.minDate.getHours() >= 12) {