diff --git a/src/components/Patient/PatientRegistration.tsx b/src/components/Patient/PatientRegistration.tsx
index 13d8b211ed8..65fc1aac255 100644
--- a/src/components/Patient/PatientRegistration.tsx
+++ b/src/components/Patient/PatientRegistration.tsx
@@ -55,7 +55,7 @@ import dayjs from "@/Utils/dayjs";
 import routes from "@/Utils/request/api";
 import mutate from "@/Utils/request/mutate";
 import query from "@/Utils/request/query";
-import { parsePhoneNumber } from "@/Utils/utils";
+import { dateQueryString, parsePhoneNumber } from "@/Utils/utils";
 import GovtOrganizationSelector from "@/pages/Organization/components/GovtOrganizationSelector";
 import { PatientModel } from "@/types/emr/patient";
 import { Organization } from "@/types/organization/organization";
@@ -519,7 +519,7 @@ export default function PatientRegistration(
                               field.value ? new Date(field.value) : undefined
                             }
                             onChange={(date) =>
-                              field.onChange(date?.toISOString())
+                              field.onChange(dateQueryString(date))
                             }
                             id="dob"
                           />
diff --git a/src/pages/PublicAppointments/PatientRegistration.tsx b/src/pages/PublicAppointments/PatientRegistration.tsx
index f4a4c77ed3f..fc3888defa5 100644
--- a/src/pages/PublicAppointments/PatientRegistration.tsx
+++ b/src/pages/PublicAppointments/PatientRegistration.tsx
@@ -323,7 +323,7 @@ export function PatientRegistration(props: PatientRegistrationProps) {
                               field.value ? new Date(field.value) : undefined
                             }
                             onChange={(date) =>
-                              field.onChange(date?.toISOString())
+                              field.onChange(dateQueryString(date))
                             }
                             id="dob"
                           />