diff --git a/src/time/time_span.rs b/src/time/time_span.rs
index 3693510..a7972e5 100644
--- a/src/time/time_span.rs
+++ b/src/time/time_span.rs
@@ -1,7 +1,8 @@
 use super::TimePoint;
+use std::fmt::{self, Debug};
 
 /// Define a time span with a start time and an end time.
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, PartialEq)]
 pub struct TimeSpan {
     /// Start time of the span
     pub start: TimePoint,
@@ -16,3 +17,9 @@ impl TimeSpan {
         Self { start, end }
     }
 }
+
+impl Debug for TimeSpan {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{} --> {}", self.start, self.end)
+    }
+}