--- a/ndp.lua	Sun Jun 21 18:48:40 2009 +0100
+++ b/ndp.lua	Sun Jun 21 18:49:06 2009 +0100
@@ -132,6 +132,10 @@
 			function (month_name)
 				time = find_next_month_by_name(time, month_name:match("%S+$"));
 			end };
+		{ P"on "^0 * day_name /
+			function (day_name)
+				time = find_next_day_by_name(time, day_name:match("%S+$"));
+			end };
 		{ P"in "^0 * ( quantity * P" " * unit_of_time ) * (P"s"^-1) /
 			function (number_and_unit)
 				local number, unit = number_and_unit:gsub("^in ", ""):match("^(.+)%s+(.-)s?$");