diff --git a/libc/Makefile b/libc/Makefile
index c65862d0..c1d59332 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -475,6 +475,7 @@ time/timer_getoverrun.o \
 time/timer_gettime.o \
 time/timer_settime.o \
 time/times.o \
+time/tzset.o \
 unistd/access.o \
 unistd/alarmns.o \
 unistd/alarm.o \
diff --git a/libc/include/time.h b/libc/include/time.h
index d8bd5c85..ea01bdd8 100644
--- a/libc/include/time.h
+++ b/libc/include/time.h
@@ -1,6 +1,6 @@
 /*******************************************************************************
 
-    Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
+    Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
 
     This file is part of the Sortix C Library.
 
@@ -150,9 +150,7 @@ int clock_settimeres(clockid_t, const struct timespec*, const struct timespec*);
 int timens(struct tmns* tmns);
 #endif
 
-extern int daylight;
-extern long timezone;
-extern char* tzname[];
+extern char* tzname[2];
 
 __END_DECLS
 
diff --git a/libc/time/tzset.cpp b/libc/time/tzset.cpp
new file mode 100644
index 00000000..c5474059
--- /dev/null
+++ b/libc/time/tzset.cpp
@@ -0,0 +1,35 @@
+/*******************************************************************************
+
+    Copyright(C) Jonas 'Sortie' Termansen 2014.
+
+    This file is part of the Sortix C Library.
+
+    The Sortix C Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    The Sortix C Library is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
+
+    time/tzset.cpp
+    Initialize time conversion information.
+
+*******************************************************************************/
+
+#include <stdlib.h>
+#include <time.h>
+
+extern "C" { char* tzname[2] = { (char*) "UTC", (char*) "UTC" }; }
+
+extern "C" void tzset(void)
+{
+	const char* tz = getenv("TZ");
+	if ( !tz )
+		return;
+}