diff --git a/timeline/timelines.go b/timeline/timelines.go
index aedc1e4..85029a4 100644
--- a/timeline/timelines.go
+++ b/timeline/timelines.go
@@ -3,5 +3,6 @@ package timeline
 type CalendarEventHorizon string
 
 const (
-	WithinMonth CalendarEventHorizon = "monthnow"
+	WithinMonth       CalendarEventHorizon = "monthnow"
+	RecentAndUpcoming CalendarEventHorizon = "recentupcoming"
 )