diff --git a/System/Time.hsc b/System/Time.hsc
--- a/System/Time.hsc
+++ b/System/Time.hsc
@@ -1,4 +1,8 @@
+{-# LANGUAGE CPP #-}
 {-# OPTIONS_GHC -fno-warn-unused-binds #-}
+#if __GLASGOW_HASKELL__ >= 701
+{-# LANGUAGE Trustworthy #-}
+#endif
 -- XXX with some combinations of #defines we get warnings, e.g.
 -- Warning: Defined but not used: `throwAwayReturnPointer'
 
@@ -607,7 +611,7 @@
         decode 'e' = show2' day                      -- ditto, padded
         decode 'H' = show2 hour                      -- hours, 24-hour clock, padded
         decode 'I' = show2 (to12 hour)               -- hours, 12-hour clock
-        decode 'j' = show3 yday                      -- day of the year
+        decode 'j' = show3 (yday + 1)                -- day of the year
         decode 'k' = show2' hour                     -- hours, 24-hour clock, no padding
         decode 'l' = show2' (to12 hour)              -- hours, 12-hour clock, no padding
         decode 'M' = show2 minute                    -- minutes
diff --git a/old-time.cabal b/old-time.cabal
--- a/old-time.cabal
+++ b/old-time.cabal
@@ -1,5 +1,5 @@
 name:		old-time
-version:	1.0.0.7
+version:	1.1.0.0
 license:	BSD3
 license-file:	LICENSE
 maintainer:	libraries@haskell.org
@@ -29,7 +29,7 @@
     includes:	HsTime.h
     install-includes:	HsTime.h HsTimeConfig.h
     extensions:	CPP, ForeignFunctionInterface
-    build-depends: base >= 3 && < 5, old-locale
+    build-depends: base >= 4.4 && < 5, old-locale
     nhc98-options: -K2M
 
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