diff --git a/tools/gentasktime b/tools/gentasktime
index c9a128b..ad043e8 100755
--- a/tools/gentasktime
+++ b/tools/gentasktime
@@ -25,7 +25,10 @@ domake \
         last=""
       }
 
-      /days ago/{
+      /days ago|^(1[5-9]|2[0-9]) hours ago/{
+        if ( $0 ~ /hours/ ) {
+          $1 = 1
+        }
         if ( $1 == last ) next;
         if ( $1 < last ) nextfile;
         last = $1;