diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 461fc3f437c..1bde4091ca6 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -18016,7 +18016,9 @@ ERROR:  jsonpath member accessor can only be applied to an object
         <returnvalue><replaceable>string</replaceable></returnvalue>
        </para>
        <para>
-        String value converted from a JSON boolean, number, string, or datetime
+        String value converted from a JSON boolean, number, string, or
+        datetime (the output format for datetimes is determined by
+        the <xref linkend="guc-datestyle"/> parameter)
        </para>
        <para>
         <literal>jsonb_path_query_array('[1.23, "xyz", false]', '$[*].string()')</literal>
@@ -18105,7 +18107,9 @@ ERROR:  jsonpath member accessor can only be applied to an object
         <returnvalue><replaceable>decimal</replaceable></returnvalue>
        </para>
        <para>
-        Rounded decimal value converted from a JSON number or string. <literal>precision</literal> and <literal>scale</literal> must be integer values.
+        Rounded decimal value converted from a JSON number or string
+        (<literal>precision</literal> and <literal>scale</literal> must be
+        integer values)
        </para>
        <para>
         <literal>jsonb_path_query('1234.5678', '$.decimal(6, 2)')</literal>
@@ -18207,7 +18211,7 @@ ERROR:  jsonpath member accessor can only be applied to an object
        </para>
        <para>
         Time without time zone value converted from a string, with fractional
-        seconds adjusted to the given precision.
+        seconds adjusted to the given precision
        </para>
        <para>
         <literal>jsonb_path_query('"12:34:56.789"', '$.time(2)')</literal>
@@ -18236,7 +18240,7 @@ ERROR:  jsonpath member accessor can only be applied to an object
        </para>
        <para>
         Time with time zone value converted from a string, with fractional
-        seconds adjusted to the given precision.
+        seconds adjusted to the given precision
        </para>
        <para>
         <literal>jsonb_path_query('"12:34:56.789 +05:30"', '$.time_tz(2)')</literal>
@@ -18265,7 +18269,7 @@ ERROR:  jsonpath member accessor can only be applied to an object
        </para>
        <para>
         Timestamp without time zone value converted from a string, with
-        fractional seconds adjusted to the given precision.
+        fractional seconds adjusted to the given precision
        </para>
        <para>
         <literal>jsonb_path_query('"2023-08-15 12:34:56.789"', '$.timestamp(2)')</literal>
@@ -18294,7 +18298,7 @@ ERROR:  jsonpath member accessor can only be applied to an object
        </para>
        <para>
         Timestamp with time zone value converted from a string, with fractional
-        seconds adjusted to the given precision.
+        seconds adjusted to the given precision
        </para>
        <para>
         <literal>jsonb_path_query('"2023-08-15 12:34:56.789 +05:30"', '$.timestamp_tz(2)')</literal>
diff --git a/src/test/regress/expected/horology.out b/src/test/regress/expected/horology.out
index 241713cc51e..58da26ab0e1 100644
--- a/src/test/regress/expected/horology.out
+++ b/src/test/regress/expected/horology.out
@@ -1,13 +1,18 @@
 --
 -- HOROLOGY
 --
-SET DateStyle = 'Postgres, MDY';
-SHOW TimeZone;  -- Many of these tests depend on the prevailing setting
+SHOW TimeZone;  -- Many of these tests depend on the prevailing settings
  TimeZone 
 ----------
  PST8PDT
 (1 row)
 
+SHOW DateStyle;
+   DateStyle   
+---------------
+ Postgres, MDY
+(1 row)
+
 --
 -- Test various input formats
 --
diff --git a/src/test/regress/expected/jsonb_jsonpath.out b/src/test/regress/expected/jsonb_jsonpath.out
index e534ed96965..70eeb655a2a 100644
--- a/src/test/regress/expected/jsonb_jsonpath.out
+++ b/src/test/regress/expected/jsonb_jsonpath.out
@@ -2636,15 +2636,6 @@ select jsonb_path_query('[2, true]', '$.string()');
  "true"
 (2 rows)
 
-select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()');
-ERROR:  cannot convert value from timestamptz to timestamp without time zone usage
-HINT:  Use *_tz() function for time zone support.
-select jsonb_path_query_tz('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()'); -- should work
-    jsonb_path_query_tz     
-----------------------------
- "Tue Aug 15 00:04:56 2023"
-(1 row)
-
 select jsonb_path_query_array('[1.23, "yes", false]', '$[*].string()');
   jsonb_path_query_array  
 --------------------------
@@ -2657,6 +2648,104 @@ select jsonb_path_query_array('[1.23, "yes", false]', '$[*].string().type()');
  ["string", "string", "string"]
 (1 row)
 
+select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()');
+ERROR:  cannot convert value from timestamptz to timestamp without time zone usage
+HINT:  Use *_tz() function for time zone support.
+select jsonb_path_query_tz('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()'); -- should work
+    jsonb_path_query_tz     
+----------------------------
+ "Tue Aug 15 00:04:56 2023"
+(1 row)
+
+select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp_tz().string()');
+ERROR:  cannot convert value from timestamp to timestamptz without time zone usage
+HINT:  Use *_tz() function for time zone support.
+select jsonb_path_query_tz('"2023-08-15 12:34:56"', '$.timestamp_tz().string()'); -- should work
+      jsonb_path_query_tz       
+--------------------------------
+ "Tue Aug 15 12:34:56 2023 PDT"
+(1 row)
+
+select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp_tz().string()');
+        jsonb_path_query        
+--------------------------------
+ "Tue Aug 15 00:04:56 2023 PDT"
+(1 row)
+
+select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp().string()');
+      jsonb_path_query      
+----------------------------
+ "Tue Aug 15 12:34:56 2023"
+(1 row)
+
+select jsonb_path_query('"12:34:56 +5:30"', '$.time_tz().string()');
+ jsonb_path_query 
+------------------
+ "12:34:56+05:30"
+(1 row)
+
+select jsonb_path_query_tz('"12:34:56"', '$.time_tz().string()');
+ jsonb_path_query_tz 
+---------------------
+ "12:34:56-07"
+(1 row)
+
+select jsonb_path_query('"12:34:56"', '$.time().string()');
+ jsonb_path_query 
+------------------
+ "12:34:56"
+(1 row)
+
+select jsonb_path_query('"2023-08-15"', '$.date().string()');
+ jsonb_path_query 
+------------------
+ "08-15-2023"
+(1 row)
+
+set datestyle = 'ISO';
+select jsonb_path_query_tz('"2023-08-15 12:34:56"', '$.timestamp_tz().string()');
+   jsonb_path_query_tz    
+--------------------------
+ "2023-08-15 12:34:56-07"
+(1 row)
+
+select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp_tz().string()');
+     jsonb_path_query     
+--------------------------
+ "2023-08-15 00:04:56-07"
+(1 row)
+
+select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp().string()');
+   jsonb_path_query    
+-----------------------
+ "2023-08-15 12:34:56"
+(1 row)
+
+select jsonb_path_query('"12:34:56 +5:30"', '$.time_tz().string()');
+ jsonb_path_query 
+------------------
+ "12:34:56+05:30"
+(1 row)
+
+select jsonb_path_query_tz('"12:34:56"', '$.time_tz().string()');
+ jsonb_path_query_tz 
+---------------------
+ "12:34:56-07"
+(1 row)
+
+select jsonb_path_query('"12:34:56"', '$.time().string()');
+ jsonb_path_query 
+------------------
+ "12:34:56"
+(1 row)
+
+select jsonb_path_query('"2023-08-15"', '$.date().string()');
+ jsonb_path_query 
+------------------
+ "2023-08-15"
+(1 row)
+
+reset datestyle;
 -- Test .time()
 select jsonb_path_query('null', '$.time()');
 ERROR:  jsonpath item method .time() can only be applied to a string
diff --git a/src/test/regress/sql/horology.sql b/src/test/regress/sql/horology.sql
index e5cf12ff63d..0fe3c783e61 100644
--- a/src/test/regress/sql/horology.sql
+++ b/src/test/regress/sql/horology.sql
@@ -1,9 +1,9 @@
 --
 -- HOROLOGY
 --
-SET DateStyle = 'Postgres, MDY';
 
-SHOW TimeZone;  -- Many of these tests depend on the prevailing setting
+SHOW TimeZone;  -- Many of these tests depend on the prevailing settings
+SHOW DateStyle;
 
 --
 -- Test various input formats
diff --git a/src/test/regress/sql/jsonb_jsonpath.sql b/src/test/regress/sql/jsonb_jsonpath.sql
index 17f9d038c0a..4d57e13eda0 100644
--- a/src/test/regress/sql/jsonb_jsonpath.sql
+++ b/src/test/regress/sql/jsonb_jsonpath.sql
@@ -598,10 +598,28 @@ select jsonb_path_query('1234', '$.string()');
 select jsonb_path_query('true', '$.string()');
 select jsonb_path_query('1234', '$.string().type()');
 select jsonb_path_query('[2, true]', '$.string()');
-select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()');
-select jsonb_path_query_tz('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()'); -- should work
 select jsonb_path_query_array('[1.23, "yes", false]', '$[*].string()');
 select jsonb_path_query_array('[1.23, "yes", false]', '$[*].string().type()');
+select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()');
+select jsonb_path_query_tz('"2023-08-15 12:34:56 +5:30"', '$.timestamp().string()'); -- should work
+select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp_tz().string()');
+select jsonb_path_query_tz('"2023-08-15 12:34:56"', '$.timestamp_tz().string()'); -- should work
+select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp_tz().string()');
+select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp().string()');
+select jsonb_path_query('"12:34:56 +5:30"', '$.time_tz().string()');
+select jsonb_path_query_tz('"12:34:56"', '$.time_tz().string()');
+select jsonb_path_query('"12:34:56"', '$.time().string()');
+select jsonb_path_query('"2023-08-15"', '$.date().string()');
+
+set datestyle = 'ISO';
+select jsonb_path_query_tz('"2023-08-15 12:34:56"', '$.timestamp_tz().string()');
+select jsonb_path_query('"2023-08-15 12:34:56 +5:30"', '$.timestamp_tz().string()');
+select jsonb_path_query('"2023-08-15 12:34:56"', '$.timestamp().string()');
+select jsonb_path_query('"12:34:56 +5:30"', '$.time_tz().string()');
+select jsonb_path_query_tz('"12:34:56"', '$.time_tz().string()');
+select jsonb_path_query('"12:34:56"', '$.time().string()');
+select jsonb_path_query('"2023-08-15"', '$.date().string()');
+reset datestyle;
 
 -- Test .time()
 select jsonb_path_query('null', '$.time()');