diff --git a/ledger/like.go b/ledger/like.go
index 7b05557..d069e02 100644
--- a/ledger/like.go
+++ b/ledger/like.go
@@ -6,6 +6,12 @@ type Like func(Delta) bool
 
 type likes []Like
 
+func LikeBefore(date string) Like {
+	return func(d Delta) bool {
+		return date <= d.Date
+	}
+}
+
 func LikeAfter(date string) Like {
 	return func(d Delta) bool {
 		return date >= d.Date