1 files changed, 6 insertions, 3 deletions
diff --git a/openbb_platform/providers/polygon/openbb_polygon/models/equity_historical.py b/openbb_platform/providers/polygon/openbb_polygon/models/equity_historical.py
index 039c9fd0fdd..93935bcfd8d 100644
--- a/openbb_platform/providers/polygon/openbb_polygon/models/equity_historical.py
+++ b/openbb_platform/providers/polygon/openbb_polygon/models/equity_historical.py
@@ -156,9 +156,9 @@ class PolygonEquityHistoricalFetcher(
                     r["t"] / 1000, tz=timezone("America/New_York")
                 )
                 if query._timespan not in ["second", "minute", "hour"]:
-                    r["t"] = r["t"].date()
+                    r["t"] = r["t"].date().strftime("%Y-%m-%d")
                 else:
-                    r["t"] = r["t"].strftime("%Y-%m-%dT%H:%M:%S")
+                    r["t"] = r["t"].strftime("%Y-%m-%dT%H:%M:%S%z")
                 if "," in query.symbol:
                     r["symbol"] = symbol
 
@@ -178,4 +178,7 @@ class PolygonEquityHistoricalFetcher(
         """Transform the data from the Polygon endpoint."""
         if not data:
             raise EmptyDataError()
-        return [PolygonEquityHistoricalData.model_validate(d) for d in data]
+        return [
+            PolygonEquityHistoricalData.model_validate(d)
+            for d in sorted(data, key=lambda x: x["t"], reverse=False)
+        ]