diff --git a/docs/api/appointment.md b/docs/api/appointment.md
index c4a4d78e..70a4047f 100644
--- a/docs/api/appointment.md
+++ b/docs/api/appointment.md
@@ -737,6 +737,9 @@ location — picking one and hiding the rest removes real capacity from the doct
         "clinic_uuid": null,
         "booking_mode": "slot",
         "buffer_minutes": 0,
+        "opening_hours": [
+          { "day": "Saturday", "opens": "09:00", "closes": "13:00" }
+        ],
         "services": [],
         "next_available_at": 1755000000
       },
@@ -748,6 +751,10 @@ location — picking one and hiding the rest removes real capacity from the doct
         "clinic_uuid": "41e325c4-e825-4067-8438-5d828ecaee09",
         "booking_mode": "service",
         "buffer_minutes": 10,
+        "opening_hours": [
+          { "day": "Saturday", "opens": "09:00", "closes": "13:00" },
+          { "day": "Sunday",   "opens": "16:00", "closes": "20:00" }
+        ],
         "services": [
           { "uuid": "…", "name": "ویزیت", "duration_minutes": 20, "price_rials": 500000,
             "service_section": { "uuid": "…", "name": "عمومی" } }
@@ -764,6 +771,7 @@ location — picking one and hiding the rest removes real capacity from the doct
 | `location_uuid` | `string\|null` | the `DoctorAddress` uuid; `null` when the context has no address yet |
 | `type` | `"personal" \| "clinic"` | |
 | `booking_mode` | `"slot" \| "service"` | per-context — the same doctor can differ between locations |
+| `opening_hours` | `array` | active weekly shifts of that context, flattened; `day` is the English weekday name so it maps straight onto schema.org `openingHoursSpecification` |
 | `services` | `array` | populated only in `service` mode, scoped to that context's owner |
 | `next_available_at` | `int\|null` | Unix timestamp of the earliest free slot within 30 days |
 
@@ -773,5 +781,11 @@ selection; locations with no capacity sort last. Deep links should carry the cho
 
 **Status codes:** `200`, `404 ERR_VALIDATION_002` (doctor not found).
 
-**Consumer:** `nobat724_front` — the doctor page must render one booking block per entry and pass the
-matching `clinic_uuid` into the slot and booking calls.
+`opening_hours` lists one entry per active shift, so a day with a morning and an evening shift
+appears twice. Days with no active shift are absent. Times are local `HH:MM` strings, and the
+per-shift `location_id` is not repeated here — every shift in an entry already belongs to that
+location's context.
+
+**Consumer:** `nobat724_front` — the doctor page must render one booking block per entry, pass the
+matching `clinic_uuid` into the slot and booking calls, and feed `opening_hours` into the
+`openingHoursSpecification` of each `MedicalClinic` in the Physician JSON-LD.
diff --git a/src/Appointment/Controller/AppointmentController.php b/src/Appointment/Controller/AppointmentController.php
index a8fac72e..505a4e46 100644
--- a/src/Appointment/Controller/AppointmentController.php
+++ b/src/Appointment/Controller/AppointmentController.php
@@ -288,6 +288,7 @@ class AppointmentController extends BaseController
                 'clinic_uuid'       => $clinic?->getUuid(),
                 'booking_mode'      => $meta['booking_mode'],
                 'buffer_minutes'    => (int) $meta['buffer_minutes'],
+                'opening_hours'     => $this->openingHours($schedule),
                 'services'          => $meta['booking_mode'] === WeeklySchedule::MODE_SERVICE
                     ? $this->bookableServices($doctor, $clinic)
                     : [],
@@ -718,6 +719,44 @@ class AppointmentController extends BaseController
         }, $this->itemRepo->findBookableByEntity($type, $id));
     }
 
+    /**
+     * شیفت‌های فعال هفته به‌صورت تخت، با نام انگلیسی روز — آمادهٔ نگاشت به
+     * openingHoursSpecification در schema.org. کلیدهای برنامه 0..6 هستند و 0 شنبه است.
+     *
+     * @return array<int, array{day: string, opens: string, closes: string}>
+     */
+    private function openingHours(WeeklySchedule $schedule): array
+    {
+        $hours = [];
+
+        foreach ($schedule->getDaySchedule() as $dayIndex => $day) {
+            $dayName = WeeklySchedule::DAYS[(int) $dayIndex] ?? null;
+            if ($dayName === null) {
+                continue;
+            }
+
+            foreach (($day['sessions'] ?? []) as $session) {
+                if (!($session['active'] ?? false)) {
+                    continue;
+                }
+
+                $opens  = $session['start_time'] ?? null;
+                $closes = $session['end_time'] ?? null;
+                if ($opens === null || $closes === null) {
+                    continue;
+                }
+
+                $hours[] = [
+                    'day'    => ucfirst($dayName),
+                    'opens'  => $opens,
+                    'closes' => $closes,
+                ];
+            }
+        }
+
+        return $hours;
+    }
+
     /** زودترین اسلات آزاد در ۳۰ روز آینده، یا null اگر ظرفیتی نباشد. */
     private function nextAvailableAt(Doctor $doctor, ?Clinic $clinic): ?int
     {