diff --git a/backend/python/app/utils/llm.py b/backend/python/app/utils/llm.py
index 87a9d64bd..881741308 100644
--- a/backend/python/app/utils/llm.py
+++ b/backend/python/app/utils/llm.py
@@ -7,9 +7,13 @@
 from app.utils.aimodels import get_generator_model
 
 
-async def get_llm(config_service: ConfigurationService, llm_configs = None) -> Tuple[BaseChatModel, dict]:
+async def get_llm(
+    config_service: ConfigurationService, llm_configs=None
+) -> Tuple[BaseChatModel, dict]:
     if not llm_configs:
-        ai_models = await config_service.get_config(config_node_constants.AI_MODELS.value,use_cache=False)
+        ai_models = await config_service.get_config(
+            config_node_constants.AI_MODELS.value, use_cache=False
+        )
         llm_configs = ai_models["llm"]
 
     if not llm_configs:
@@ -26,5 +30,4 @@ async def get_llm(config_service: ConfigurationService, llm_configs = None) -> T
         if llm:
             return llm, config
 
-
     raise ValueError("No LLM found")
diff --git a/backend/python/app/utils/time_conversion.py b/backend/python/app/utils/time_conversion.py
index 633e1244d..1b974d873 100644
--- a/backend/python/app/utils/time_conversion.py
+++ b/backend/python/app/utils/time_conversion.py
@@ -1,10 +1,12 @@
+import time
 from datetime import datetime, timezone
 
 MAX_TIMESTAMP_LENGTH = 13
 
+
 def get_epoch_timestamp_in_ms() -> int:
-    now = datetime.now(timezone.utc).timestamp()
-    return int(now * 1000)
+    return time.time_ns() // 1_000_000
+
 
 def parse_timestamp(timestamp_str: str) -> int:
     # Remove the 'Z' and add '+00:00' for UTC
@@ -21,6 +23,7 @@ def parse_timestamp(timestamp_str: str) -> int:
     # Convert seconds to milliseconds
     return timestamp * 1000
 
+
 def prepare_iso_timestamps(start_time: str, end_time: str) -> tuple[str, str]:
     """Converts start and end time strings to ISO 8601 formatted strings."""
     start_timestamp = parse_timestamp(start_time)