Upgrade to tzdata2013a.
From the release notes:
Chile's 2013 rules, and we guess rules for 2014 and later, will be
the same as 2012, namely Apr Sun>=23 03:00 UTC to Sep Sun>=2 04:00 UTC.
(Thanks to Steffen Thorsen and Robert Elz.)
New Zones Asia/Khandyga, Asia/Ust-Nera, Europe/Busingen.
(Thanks to Tobias Conradi and Arthur David Olson.)
Change-Id: I351e04b3348420ad7df7c648963c235b534033d2
diff --git a/libc/zoneinfo/tzdata b/libc/zoneinfo/tzdata
index 019650e..bd59e05 100644
--- a/libc/zoneinfo/tzdata
+++ b/libc/zoneinfo/tzdata
Binary files differ