X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/820f9eddfe36813309cf4dc7893bdac2a16bc26e..a7f02985caf20b40b60fc4d8e0b84b0483ce1865:/luatz/timetable.lua?ds=sidebyside

diff --git a/luatz/timetable.lua b/luatz/timetable.lua
index 0dbf4c8..812d497 100644
--- a/luatz/timetable.lua
+++ b/luatz/timetable.lua
@@ -33,10 +33,6 @@ local function is_leap ( y )
 	end
 end
 
-local function year_length ( y )
-	return is_leap ( y ) and 366 or 365
-end
-
 local function month_length ( m , y )
 	if m == 2 then
 		return is_leap ( y ) and 29 or 28
@@ -107,8 +103,12 @@ local function normalise ( year , month , day , hour , min , sec )
 	-- Add a whole year of days at a time, this is later resolved by adding months
 	-- TODO[OPTIMIZE]: This could be slow if `day` is far out of range
 	while day < 0 do
-		year = year - 1
-		day  = day + year_length ( year )
+		month = month - 1
+		if month < 0 then
+			year = year - 1
+			month = 11
+		end
+		day = day + month_length ( month + 1 , year )
 	end
 	year , month = carry ( year , month , 12 )