--- ext/google/protobuf_c/upb.c.orig 2019-03-28 08:57:36 UTC +++ ext/google/protobuf_c/upb.c @@ -14311,7 +14311,7 @@ static bool end_timestamp_zone(upb_json_ } /* Normalize tm */ - seconds = mktime(&p->tm) - timezone; + seconds = mktime(&p->tm); seconds += 3600 * hours; /* Check timestamp boundary */