diff --git a/packages/discovery-provider/src/tasks/calculate_trending_challenges.py b/packages/discovery-provider/src/tasks/calculate_trending_challenges.py
index d618105a393..6841172035b 100644
--- a/packages/discovery-provider/src/tasks/calculate_trending_challenges.py
+++ b/packages/discovery-provider/src/tasks/calculate_trending_challenges.py
@@ -9,6 +9,7 @@
 
 from src.challenges.challenge_event import ChallengeEvent
 from src.challenges.challenge_event_bus import ChallengeEventBus
+from src.models.core.core_indexed_blocks import CoreIndexedBlocks
 from src.queries.get_trending_playlists import (
     GetTrendingPlaylistsArgs,
     _get_trending_playlists_with_session,
@@ -19,9 +20,11 @@
     _get_underground_trending_with_session,
 )
 from src.tasks.aggregates import get_latest_blocknumber
+from src.tasks.core.core_client import get_core_instance
 from src.trending_strategies.trending_strategy_factory import TrendingStrategyFactory
 from src.trending_strategies.trending_type_and_version import TrendingType
 from src.utils import helpers
+from src.utils.core import is_indexing_core_em
 from src.utils.redis_constants import most_recent_indexed_block_redis_key
 
 logger = logging.getLogger(__name__)
@@ -85,20 +88,43 @@ def enqueue_trending_challenges(
     )
     update_start = time.time()
     with challenge_bus.use_scoped_dispatch_queue():
-        latest_blocknumber = get_latest_blocknumber_via_redis(session, redis)
+        # subtract final poa block because db is final_poa_block + latest_acdc_block
+        latest_blocknumber = get_latest_blocknumber(session)
         if latest_blocknumber is None:
             logger.error(
                 "calculate_trending_challenges.py | Unable to get latest block number"
             )
             return
 
-        # subtract final poa block because db is final_poa_block + latest_acdc_block
+        latest_block_datetime = None
+        if is_indexing_core_em():
+            core = get_core_instance()
+            node_info = core.get_node_info()
+            core_chain_id = node_info.chainid
+
+            latest_indexed_block: Optional[CoreIndexedBlocks] = (
+                session.query(CoreIndexedBlocks)
+                .filter(CoreIndexedBlocks.chain_id == core_chain_id)
+                .order_by(CoreIndexedBlocks.height.desc())
+                .first()
+            )
 
-        latest_block_datetime = datetime.fromtimestamp(
-            web3.eth.get_block(latest_blocknumber - helpers.get_final_poa_block())[
-                "timestamp"
-            ]
-        )
+            if latest_indexed_block:
+                block = core.get_block(int(latest_indexed_block.height))
+                if block:
+                    latest_block_datetime = block.timestamp.ToDatetime()
+        else:
+            latest_block_datetime = datetime.fromtimestamp(
+                web3.eth.get_block(latest_blocknumber - helpers.get_final_poa_block())[
+                    "timestamp"
+                ]
+            )
+
+        if latest_block_datetime is None:
+            logger.error(
+                "calculate_trending_challenges.py | Unable to get latest block time"
+            )
+            return
 
         trending_track_versions = trending_strategy_factory.get_versions_for_type(
             TrendingType.TRACKS
diff --git a/packages/discovery-provider/src/tasks/index_trending.py b/packages/discovery-provider/src/tasks/index_trending.py
index 5ff1292553a..87281773723 100644
--- a/packages/discovery-provider/src/tasks/index_trending.py
+++ b/packages/discovery-provider/src/tasks/index_trending.py
@@ -8,6 +8,7 @@
 from sqlalchemy.orm.session import Session
 from web3 import Web3
 
+from src.models.core.core_indexed_blocks import CoreIndexedBlocks
 from src.models.indexing.block import Block
 from src.models.notifications.notification import Notification
 from src.models.tracks.track import Track
@@ -22,10 +23,12 @@
     make_underground_trending_cache_key,
 )
 from src.tasks.celery_app import celery
+from src.tasks.core.core_client import get_core_instance
 from src.tasks.index_tastemaker_notifications import index_tastemaker_notifications
 from src.trending_strategies.trending_strategy_factory import TrendingStrategyFactory
 from src.trending_strategies.trending_type_and_version import TrendingType
 from src.utils.config import shared_config
+from src.utils.core import is_indexing_core_em
 from src.utils.hardcoded_data import genre_allowlist
 from src.utils.helpers import get_adjusted_block
 from src.utils.prometheus_metric import (
@@ -465,13 +468,39 @@ def get_should_update_trending(
     The function returns the an int, representing the timestamp, if the jobs should re-run, else None
     """
     with db.scoped_session() as session:
-        current_db_block = (
-            session.query(Block.number).filter(Block.is_current == True).first()
-        )
-        current_db_block_number = current_db_block[0]
-        current_block = get_adjusted_block(web3, current_db_block_number)
-        current_timestamp = current_block["timestamp"]
-        current_datetime = datetime.fromtimestamp(current_timestamp)
+        current_datetime = None
+
+        if is_indexing_core_em():
+            core = get_core_instance()
+            node_info = core.get_node_info()
+            core_chain_id = node_info.chainid
+
+            latest_indexed_block: Optional[CoreIndexedBlocks] = (
+                session.query(CoreIndexedBlocks)
+                .filter(CoreIndexedBlocks.chain_id == core_chain_id)
+                .order_by(CoreIndexedBlocks.height.desc())
+                .first()
+            )
+
+            if latest_indexed_block:
+                block = core.get_block(int(latest_indexed_block.height))
+                if block:
+                    current_datetime = block.timestamp.ToDatetime()
+
+        else:
+            current_db_block = (
+                session.query(Block.number).filter(Block.is_current == True).first()
+            )
+            current_db_block_number = current_db_block[0]
+
+            current_block = get_adjusted_block(web3, current_db_block_number)
+            current_timestamp = current_block["timestamp"]
+            current_datetime = datetime.fromtimestamp(current_timestamp)
+
+        if not current_datetime:
+            logger.error("no timestamp")
+            return None, None
+
         min_block_datetime = floor_time(current_datetime, interval_seconds)
 
         # Handle base case of not having run last trending