diff --git a/orgmode-parse.cabal b/orgmode-parse.cabal
--- a/orgmode-parse.cabal
+++ b/orgmode-parse.cabal
@@ -1,5 +1,5 @@
 Name:                   orgmode-parse
-Version:                0.1.1.0
+Version:                0.1.1.1
 Author:                 Parnell Springmeyer <parnell@digitalmentat.com>
 Maintainer:             Parnell Springmeyer <parnell@digitalmentat.com>
 License:                BSD3
diff --git a/src/Data/OrgMode/Parse/Attoparsec/Time.hs b/src/Data/OrgMode/Parse/Attoparsec/Time.hs
--- a/src/Data/OrgMode/Parse/Attoparsec/Time.hs
+++ b/src/Data/OrgMode/Parse/Attoparsec/Time.hs
@@ -176,7 +176,9 @@
 parseDay = pack <$> some (TP.satisfyElem isDayChar)
   where
     isDayChar :: Char -> Bool
-    isDayChar c = not (c `elem` "]+0123456789>\r\n -")
+    isDayChar = (`notElem` nonDayChars)
+    nonDayChars :: String
+    nonDayChars = "]+0123456789>\r\n -"
     -- The above syntax is based on [^]+0-9>\r\n -]+
     -- a part of regexp named org-ts-regexp0
     -- in org.el .