Christoph Berg <cb(at)df7cb(dot)de> writes:
> SELECT make_timestamptz(1846, 12, 10, 0, 0, 0, 'Asia/Manila') AT TIME ZONE 'UTC';
> timezone
> --------------------------
> - Wed Dec 09 15:56:00 1846
> + Wed Dec 09 15:56:08 1846
Grumble. Let's switch to using Asia/Singapore in this test case.
It has a roughly similar UTC offset, and that offset hasn't
changed in tzdb since 2003. (Gotta love "git blame".)
regards, tom lane