diff --git a/src/components/ebay-calendar/component.js b/src/components/ebay-calendar/component.js
index 8d2071d29..f01ac7792 100644
--- a/src/components/ebay-calendar/component.js
+++ b/src/components/ebay-calendar/component.js
@@ -143,6 +143,14 @@ export default class extends Marko.Component {
                 // In this case, we leave the tabindex and position as is. This is a fall-through case.
             }
         }
+        while (
+            this.state.disableAfter &&
+            this.getMonthDate(
+                this.state.offset + (input.numMonths || 1) - 1
+            ).toISOString() > this.state.disableAfter
+        ) {
+            this.state.offset--;
+        }
     }
 
     /**
@@ -240,8 +248,7 @@ export default class extends Marko.Component {
     getMonthDate(offset) {
         const baseDate = fromISO(this.state.baseISO);
         const date = new Date(
-            baseDate.getUTCFullYear(),
-            baseDate.getUTCMonth() + offset
+            Date.UTC(baseDate.getUTCFullYear(), baseDate.getUTCMonth() + offset)
         );
         return date;
     }
@@ -254,11 +261,13 @@ export default class extends Marko.Component {
         const baseDate = fromISO(this.state.baseISO);
         return toISO(
             new Date(
-                baseDate.getUTCFullYear(),
-                baseDate.getUTCMonth() +
-                    this.state.offset +
-                    (input.numMonths || 1),
-                0
+                Date.UTC(
+                    baseDate.getUTCFullYear(),
+                    baseDate.getUTCMonth() +
+                        this.state.offset +
+                        (input.numMonths || 1),
+                    0
+                )
             )
         );
     }
@@ -292,7 +301,9 @@ export default class extends Marko.Component {
                 year: "numeric",
             }
         );
-        return formatter.format(date);
+        return formatter.format(
+            new Date(date.getUTCFullYear(), date.getUTCMonth())
+        );
     }
 
     /**
diff --git a/src/components/ebay-calendar/index.marko b/src/components/ebay-calendar/index.marko
index dcc7ea91b..362bb128b 100644
--- a/src/components/ebay-calendar/index.marko
+++ b/src/components/ebay-calendar/index.marko
@@ -68,7 +68,7 @@ $ var a11ySeparator = input.a11ySeparator ?? " - ";
                                     $ endDate = daysInMonth;
                                 </else-if>
                                 <for|day| from=startDate to=endDate>
-                                    $ var dayISO = toISO(new Date(year, month, day));
+                                    $ var dayISO = toISO(new Date(Date.UTC(year, month, day)));
                                     $ var isToday = dayISO === state.todayISO;
                                     $ var isSelected = (Array.isArray(input.selected)
                                             ? input.selected.some((iso) => iso === dayISO)