diff --git a/openedx/core/djangoapps/course_date_signals/management/__init__.py b/openedx/core/djangoapps/course_date_signals/management/__init__.py
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/openedx/core/djangoapps/course_date_signals/management/commands/__init__.py b/openedx/core/djangoapps/course_date_signals/management/commands/__init__.py
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/openedx/core/djangoapps/course_date_signals/management/commands/seed_content_dates.py b/openedx/core/djangoapps/course_date_signals/management/commands/seed_content_dates.py
new file mode 100644
index 000000000000..0bdeef82872c
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+++ b/openedx/core/djangoapps/course_date_signals/management/commands/seed_content_dates.py
@@ -0,0 +1,263 @@
+"""
+Django management command to extract assignment dates from modulestore and populate ContentDate table.
+"""
+
+import logging
+from typing import List
+
+from django.contrib.auth import get_user_model
+from django.core.management.base import BaseCommand, CommandError
+from django.db import transaction
+from edx_when.api import update_or_create_assignments_due_dates, models as when_models
+from opaque_keys import InvalidKeyError
+from opaque_keys.edx.keys import CourseKey
+from xmodule.modulestore.django import modulestore
+from xmodule.modulestore.exceptions import ItemNotFoundError
+
+from lms.djangoapps.courseware.courses import get_course_assignments
+from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
+
+log = logging.getLogger(__name__)
+
+User = get_user_model()
+
+
+class Command(BaseCommand):
+    """
+    Management command to seed ContentDate table with assignment due dates from modulestore.
+
+    Example usage:
+        # Dry run for all courses
+        python manage.py lms seed_content_dates --dry-run
+
+        # Seed specific course
+        python manage.py lms seed_content_dates --course-id "course-v1:MITx+6.00x+2023_Fall"
+
+        # Seed all courses for specific org
+        python manage.py lms seed_content_dates --org "MITx"
+
+        # Force update existing entries
+        python manage.py lms seed_content_dates --force-update
+    """
+
+    help = "Extract assignment dates from modulestore and populate ContentDate table"
+    dry_run = False
+    force_update = False
+    batch_size = 100
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--course-id",
+            type=str,
+            help='Specific course ID to process (e.g., "course-v1:MITx+6.00x+2023_Fall")',
+        )
+        parser.add_argument("--org", type=str, help="Organization to filter courses by")
+        parser.add_argument(
+            "--dry-run",
+            action="store_true",
+            help="Show what would be processed without making changes",
+        )
+        parser.add_argument(
+            "--force-update",
+            action="store_true",
+            help="Update existing ContentDate entries (default: skip existing)",
+        )
+        parser.add_argument(
+            "--batch-size",
+            type=int,
+            default=100,
+            help="Number of assignments to process in each batch (default: 100)",
+        )
+
+    def handle(self, *args, **options):
+        self.dry_run = options["dry_run"]
+        self.force_update = options["force_update"]
+        self.batch_size = options["batch_size"]
+
+        logging.basicConfig(level=logging.INFO)
+
+        if self.dry_run:
+            self.stdout.write(
+                self.style.WARNING(
+                    "DRY RUN MODE: No changes will be made to the database"
+                )
+            )
+
+        try:
+            course_keys = self._get_course_keys(options)
+
+            total_processed = 0
+            total_created = 0
+            total_updated = 0
+            total_skipped = 0
+
+            for course_key in course_keys:
+                self.stdout.write(f"Processing course: {course_key}")
+
+                try:
+                    processed, created, updated, skipped = self._process_course(
+                        course_key
+                    )
+                    total_processed += processed
+                    total_created += created
+                    total_updated += updated
+                    total_skipped += skipped
+
+                    self.stdout.write(
+                        f"  Course {course_key}: {processed} assignments processed, "
+                        f"{created} created, {updated} updated, {skipped} skipped"
+                    )
+
+                except Exception as e:  # pylint: disable=broad-exception-caught
+                    self.stdout.write(
+                        self.style.ERROR(
+                            f"Error processing course {course_key}: {str(e)}"
+                        )
+                    )
+                    log.exception(f"Error processing course {course_key}")
+                    continue
+
+            self.stdout.write(
+                self.style.SUCCESS(
+                    f"\nSUMMARY:\n"
+                    f"Total assignments processed: {total_processed}\n"
+                    f"Total created: {total_created}\n"
+                    f"Total updated: {total_updated}\n"
+                    f"Total skipped: {total_skipped}"
+                )
+            )
+
+        except CommandError:
+            raise
+        except Exception as e:
+            raise CommandError(f"Command failed: {str(e)}") from e
+
+    def _get_course_keys(self, options) -> List[CourseKey]:
+        """
+        Get list of course keys to process based on command options.
+        """
+        course_keys = []
+
+        if options["course_id"]:
+            try:
+                course_key = CourseKey.from_string(options["course_id"])
+
+                if not CourseOverview.objects.filter(id=course_key).exists():
+                    raise CommandError(f"Course not found: {options['course_id']}")
+                course_keys.append(course_key)
+            except InvalidKeyError as e:
+                raise CommandError(f"Invalid course ID format: {options['course_id']}") from e
+
+        else:
+            queryset = CourseOverview.objects.all()
+            if options["org"]:
+                queryset = queryset.filter(org=options["org"])
+
+            course_keys = [overview.id for overview in queryset]
+
+            if not course_keys:
+                filter_msg = f" for org '{options['org']}'" if options["org"] else ""
+                raise CommandError(f"No courses found{filter_msg}")
+
+        return course_keys
+
+    def _process_course(self, course_key: CourseKey) -> tuple[int, int, int, int]:
+        """
+        Process a single course and return (processed, created, updated, skipped) counts.
+        """
+        store = modulestore()
+
+        try:
+            course = store.get_course(course_key)
+            if not course:
+                raise ItemNotFoundError(
+                    f"Course not found in modulestore: {course_key}"
+                )
+        except ItemNotFoundError:
+            log.warning(f"Course not found in modulestore: {course_key}")
+            return 0, 0, 0, 0
+
+        staff_user = User.objects.filter(is_staff=True).first()
+        if not staff_user:
+            return
+        assignments = get_course_assignments(course_key, staff_user)
+
+        if not assignments:
+            log.info(f"No assignments with due dates found in course: {course_key}")
+            return 0, 0, 0, 0
+
+        processed = len(assignments)
+        created = 0
+        updated = 0
+        skipped = 0
+
+        if self.dry_run:
+            self.stdout.write(f"  Would process {processed} assignments")
+            for assignment in assignments[:5]:  # Show first 5 as preview
+                self.stdout.write(f"    - {assignment.title} (due: {assignment.date})")
+            if len(assignments) > 5:
+                self.stdout.write(f"    ... and {len(assignments) - 5} more")
+            return processed, 0, 0, 0
+
+        # Process assignments in batches
+        for i in range(0, len(assignments), self.batch_size):
+            batch = assignments[i: i + self.batch_size]
+
+            with transaction.atomic():
+                batch_created, batch_updated, batch_skipped = (
+                    self._process_assignment_batch(course_key, batch)
+                )
+                created += batch_created
+                updated += batch_updated
+                skipped += batch_skipped
+
+        return processed, created, updated, skipped
+
+    def _process_assignment_batch(self, course_key: CourseKey, assignments) -> tuple[int, int, int]:
+        """
+        Process a batch of assignments and return (created, updated, skipped) counts.
+        """
+        created = 0
+        updated = 0
+        skipped = 0
+
+        for assignment in assignments:
+            self.stdout.write(
+                f"Processing assignment: {assignment.block_key}/{assignment.assignment_type} (due: {assignment.date})"
+            )
+            existing = when_models.ContentDate.objects.filter(
+                course_id=course_key, location=assignment.block_key, field="due"
+            ).first()
+
+            if existing and not self.force_update:
+                skipped += 1
+                log.info(
+                    f"Skipping existing ContentDate for {assignment.title} "
+                    f"in course {course_key}"
+                )
+                continue
+
+            try:
+                update_or_create_assignments_due_dates(course_key, [assignment])
+
+                if existing:
+                    updated += 1
+                    log.info(
+                        f"Updated ContentDate for {assignment.title} "
+                        f"in course {course_key}"
+                    )
+                else:
+                    created += 1
+                    log.info(
+                        f"Created ContentDate for {assignment.title} "
+                        f"in course {course_key}"
+                    )
+
+            except Exception as e:  # pylint: disable=broad-exception-caught
+                log.error(
+                    f"Failed to process assignment {assignment.title} "
+                    f"in course {course_key}: {str(e)}"
+                )
+                continue
+
+        return created, updated, skipped