diff --git a/config.yaml b/config.yaml
index f5ffecd..608b8b0 100644
--- a/config.yaml
+++ b/config.yaml
@@ -79,6 +79,10 @@ profiles:
 pre_survey: "https://carpentries.typeform.com/to/wi32rS?slug="
 post_survey: "https://carpentries.typeform.com/to/UgVdRQ?slug="
 
+# Start time in minutes (0 to be clock-independent, 540 to show a start at 09:00 am).
+start_time: 0
+
+
 # Customisation ---------------------------------------------
 #
 # This space below is where custom yaml items (e.g. pinning