diff --git a/continuous_reporting/generate_and_upload_reports.rb b/continuous_reporting/generate_and_upload_reports.rb
index cd8a34c9e..30cb5b225 100755
--- a/continuous_reporting/generate_and_upload_reports.rb
+++ b/continuous_reporting/generate_and_upload_reports.rb
@@ -250,7 +250,7 @@ def basic_report_filenames(report_name, ts, prefix: "#{BUILT_REPORTS_ROOT}/_incl
 
         year, month, day, tm = ts.split("-")
         date_str = "#{year}-#{month}-#{day}"
-        time_str = "#{tm[0..1]}:#{tm[2..3]}:#{tm[4..5]}"
+        time_str = "#{tm[0..1]}:#{tm[2..3]}:#{tm[4..5]} UTC"
 
         bench_data = {
             "layout" => "benchmark_details",