diff --git a/ticker-serve/src/index.rs b/ticker-serve/src/index.rs
index a31ecd2..6b16a50 100644
--- a/ticker-serve/src/index.rs
+++ b/ticker-serve/src/index.rs
@@ -109,10 +109,10 @@ fn render_index(app_state: &AppState) -> String {
                          } else {
                            html!(<span class="recurrence">" "</span>)
                          } }
-                         <span class="dtstart" itemprop="startDate"
-                               title=( format!("{}", Local.from_local_datetime(&e.dtstart).unwrap().format("%Y-%m-%dT%H:%M:%S%:z")) )>
+                         <time class="dtstart" itemprop="startDate"
+                               datetime=( format!("{}", Local.from_local_datetime(&e.dtstart).unwrap().format("%Y-%m-%dT%H:%M:%S%:z")) )>
                            { text!("{}", &e.dtstart.format("%H:%M")) }
-                         </span>
+                         </time>
                        </p>
                        { match &e.url {
                            None => html!(