diff --git a/insights/sources/agents/clients.py b/insights/sources/agents/clients.py
index 83c4417..7604f5c 100644
--- a/insights/sources/agents/clients.py
+++ b/insights/sources/agents/clients.py
@@ -15,9 +15,9 @@ def __init__(self, project) -> None:
 
     def list(self, query_filters: dict):
         if query_filters.get("created_on__gte", None):
-            query_filters["start_date"] = query_filters.pop("created_on__gte")[0]
+            query_filters["start_date"] = query_filters.pop("created_on__gte")
         if query_filters.get("created_on__lte", None):
-            query_filters["end_date"] = query_filters.pop("created_on__lte")[0]
+            query_filters["end_date"] = query_filters.pop("created_on__lte")
 
         response = requests.get(
             url=self.url, headers=self.headers, params=query_filters
diff --git a/insights/widgets/usecases/get_source_data.py b/insights/widgets/usecases/get_source_data.py
index 3f26c90..5b1f3dd 100644
--- a/insights/widgets/usecases/get_source_data.py
+++ b/insights/widgets/usecases/get_source_data.py
@@ -1,8 +1,22 @@
+from datetime import datetime, time
+
+import pytz
+
 from insights.projects.parsers import parse_dict_to_json
 from insights.shared.viewsets import get_source
 from insights.widgets.models import Widget
 
 
+def apply_timezone_to_filters(default_filters, project_timezone_str):
+    project_timezone = pytz.timezone(project_timezone_str)
+    for key in default_filters.keys():
+        if key.endswith("__gte") or key.endswith("__lte"):
+            date_str = default_filters[key][0]
+            date_obj = datetime.strptime(date_str, "%Y-%m-%d")
+            date_obj_with_tz = project_timezone.localize(date_obj)
+            default_filters[key] = date_obj_with_tz.isoformat()
+
+
 def get_source_data_from_widget(
     widget: Widget, is_report: bool = False, filters: dict = {}, user_email: str = ""
 ):
@@ -19,13 +33,17 @@ def get_source_data_from_widget(
 
         default_filters, operation, op_field, limit = widget.source_config(
             sub_widget=filters.pop("slug", [None])[0]
-        )  # implement a dynamic handler for each widget
+        )
+
+        default_filters.update(filters)
+
+        project_timezone = widget.project.timezone
+        apply_timezone_to_filters(default_filters, project_timezone)
 
-        filters.update(default_filters)
         if operation == "list":
-            tags = filters.pop("tags", [None])[0]
+            tags = default_filters.pop("tags", [None])[0]
             if tags:
-                filters["tags"] = tags.split(",")
+                default_filters["tags"] = tags.split(",")
 
         if op_field:
             query_kwargs["op_field"] = op_field
@@ -33,7 +51,7 @@ def get_source_data_from_widget(
             query_kwargs["limit"] = limit
 
         serialized_source = SourceQuery.execute(
-            filters=filters,
+            filters=default_filters,
             operation=operation,
             parser=parse_dict_to_json,
             project=widget.project,