diff --git a/pruner/full/window_test.go b/pruner/full/window_test.go
new file mode 100644
index 0000000000..627c76abe2
--- /dev/null
+++ b/pruner/full/window_test.go
@@ -0,0 +1,14 @@
+package full
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestFullWindowConst exists to ensure that any changes to the sampling window
+// are deliberate.
+func TestFullWindowConst(t *testing.T) {
+	assert.Equal(t, time.Duration(Window), (30*24*time.Hour)+time.Hour)
+}
diff --git a/pruner/light/window.go b/pruner/light/window.go
index 2241ecb063..eeabb0fda7 100644
--- a/pruner/light/window.go
+++ b/pruner/light/window.go
@@ -1,9 +1,11 @@
 package light
 
 import (
+	"time"
+
 	"github.com/celestiaorg/celestia-node/pruner"
 )
 
 // Window is the availability window for light nodes in the Celestia
 // network (30 days).
-const Window = pruner.AvailabilityWindow(30 * 24 * 60 * 60)
+const Window = pruner.AvailabilityWindow(30 * 24 * time.Hour)
diff --git a/pruner/light/window_test.go b/pruner/light/window_test.go
new file mode 100644
index 0000000000..d74d594f70
--- /dev/null
+++ b/pruner/light/window_test.go
@@ -0,0 +1,14 @@
+package light
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TestLightWindowConst exists to ensure that any changes to the sampling window
+// are deliberate.
+func TestLightWindowConst(t *testing.T) {
+	assert.Equal(t, time.Duration(Window), 30*24*time.Hour)
+}