diff --git a/toolchain/musl/patches/110-read_timezone_from_fs.patch b/toolchain/musl/patches/110-read_timezone_from_fs.patch
new file mode 100644
index 0000000000..3ff63ac220
--- /dev/null
+++ b/toolchain/musl/patches/110-read_timezone_from_fs.patch
@@ -0,0 +1,28 @@
+--- a/src/time/__tz.c
++++ b/src/time/__tz.c
+@@ -23,6 +23,9 @@ static int r0[5], r1[5];
+ static const unsigned char *zi, *trans, *index, *types, *abbrevs, *abbrevs_end;
+ static size_t map_size;
+ 
++static const char *tzfile;
++static size_t tzfile_size;
++
+ static char old_tz_buf[32];
+ static char *old_tz = old_tz_buf;
+ static size_t old_tz_size = sizeof old_tz_buf;
+@@ -125,6 +128,15 @@ static void do_tzset()
+ 		"/usr/share/zoneinfo/\0/share/zoneinfo/\0/etc/zoneinfo/\0";
+ 
+ 	s = getenv("TZ");
++
++	/* if TZ is empty try to read it from /etc/TZ */
++	if (!s || !*s) {
++		if (tzfile)
++			__munmap((void*)tzfile, tzfile_size);
++
++		s = tzfile = (void *)__map_file("/etc/TZ", &tzfile_size);
++	}
++
+ 	if (!s || !*s) s = "/etc/localtime";
+ 
+ 	if (old_tz && !strcmp(s, old_tz)) return;