--- src/test/regress/expected/timestamptz.out.orig
+++ src/test/regress/expected/timestamptz.out
@@ -2388,10 +2388,10 @@ SELECT make_timestamptz(2014, 12, 10, 0,
  Tue Dec 09 23:00:00 2014
 (1 row)
 
-SELECT make_timestamptz(1846, 12, 10, 0, 0, 0, 'Asia/Manila') AT TIME ZONE 'UTC';
+SELECT make_timestamptz(1881, 12, 10, 0, 0, 0, 'Asia/Singapore') AT TIME ZONE 'UTC';
          timezone         
 --------------------------
- Wed Dec 09 15:56:00 1846
+ Fri Dec 09 17:04:35 1881
 (1 row)
 
 SELECT make_timestamptz(1881, 12, 10, 0, 0, 0, 'Europe/Paris') AT TIME ZONE 'UTC';
--- src/test/regress/sql/timestamptz.sql.orig
+++ src/test/regress/sql/timestamptz.sql
@@ -442,7 +442,7 @@ SELECT make_timestamptz(1973, 07, 15, 08
 -- full timezone names
 SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') = timestamptz '2014-12-10 00:00:00 Europe/Prague';
 SELECT make_timestamptz(2014, 12, 10, 0, 0, 0, 'Europe/Prague') AT TIME ZONE 'UTC';
-SELECT make_timestamptz(1846, 12, 10, 0, 0, 0, 'Asia/Manila') AT TIME ZONE 'UTC';
+SELECT make_timestamptz(1881, 12, 10, 0, 0, 0, 'Asia/Singapore') AT TIME ZONE 'UTC';
 SELECT make_timestamptz(1881, 12, 10, 0, 0, 0, 'Europe/Paris') AT TIME ZONE 'UTC';
 SELECT make_timestamptz(1910, 12, 24, 0, 0, 0, 'Nehwon/Lankhmar');