diff --git a/locust/html.py b/locust/html.py
index 93e8edfd07..a3735bff65 100644
--- a/locust/html.py
+++ b/locust/html.py
@@ -20,11 +20,11 @@ def get_html_report(environment, show_download_link=True):
     stats = environment.runner.stats
 
     start_ts = stats.start_time
-    start_time = datetime.datetime.fromtimestamp(start_ts).strftime("%Y-%m-%d %H:%M:%S")
+    start_time = datetime.datetime.utcfromtimestamp(start_ts).strftime("%Y-%m-%d %H:%M:%S")
 
     end_ts = stats.last_request_timestamp
     if end_ts:
-        end_time = datetime.datetime.fromtimestamp(end_ts).strftime("%Y-%m-%d %H:%M:%S")
+        end_time = datetime.datetime.utcfromtimestamp(end_ts).strftime("%Y-%m-%d %H:%M:%S")
     else:
         end_time = start_time