diff --git a/src/test/regress/expected/horology.out b/src/test/regress/expected/horology.out
index 5ae93d8e8a5..e44e5de0465 100644
--- a/src/test/regress/expected/horology.out
+++ b/src/test/regress/expected/horology.out
@@ -2509,6 +2509,166 @@ SELECT '2020-10-05'::timestamptz >= '4714-11-24 BC'::timestamp as t;
  t
 (1 row)
 
+RESET TimeZone;
+--
+-- Comparisons between date and timestamp types
+---
+SELECT '2025-03-28'::date = '2025-03-28 00:00:00'::timestamp as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date <> '2025-03-28 00:00:01'::timestamp as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date < '2025-03-28 00:00:01'::timestamp as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date <= '2025-03-28 00:00:00'::timestamp as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date > '2025-03-27 23:59:59'::timestamp as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date >= '2025-03-28 00:00:00'::timestamp as t;
+ t 
+---
+ t
+(1 row)
+
+--
+-- Comparisons between timestamp and date types
+---
+SELECT '2025-03-28 00:00:00'::timestamp = '2025-03-28'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamp <> '2025-03-27'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamp < '2025-03-29'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamp <= '2025-03-28'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamp > '2025-03-27'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamp >= '2025-03-28'::date as t;
+ t 
+---
+ t
+(1 row)
+
+--
+-- Comparisons between date and timestamptz types
+---
+SET TimeZone to 'UTC';
+SELECT '2025-03-28'::date = '2025-03-28 00:00:00'::timestamptz as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date <> '2025-03-28 00:00:01'::timestamptz as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date < '2025-03-28 00:00:01'::timestamptz as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date <= '2025-03-28 00:00:00'::timestamptz as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date > '2025-03-27 23:59:59'::timestamptz as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28'::date >= '2025-03-28 00:00:00'::timestamptz as t;
+ t 
+---
+ t
+(1 row)
+
+RESET TimeZone;
+--
+-- Comparisons between timestamptz and date types
+---
+SET TimeZone to 'UTC';
+SELECT '2025-03-28 00:00:00'::timestamptz = '2025-03-28'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamptz <> '2025-03-27'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamptz < '2025-03-29'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamptz <= '2025-03-28'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamptz > '2025-03-27'::date as t;
+ t 
+---
+ t
+(1 row)
+
+SELECT '2025-03-28 00:00:00'::timestamptz >= '2025-03-28'::date as t;
+ t 
+---
+ t
+(1 row)
+
 RESET TimeZone;
 --
 -- Tests for BETWEEN
diff --git a/src/test/regress/sql/horology.sql b/src/test/regress/sql/horology.sql
index 8978249a5dc..f516d0ace36 100644
--- a/src/test/regress/sql/horology.sql
+++ b/src/test/regress/sql/horology.sql
@@ -380,6 +380,58 @@ SELECT '2020-10-05'::timestamptz >= '4714-11-24 BC'::timestamp as t;
 
 RESET TimeZone;
 
+--
+-- Comparisons between date and timestamp types
+---
+
+SELECT '2025-03-28'::date = '2025-03-28 00:00:00'::timestamp as t;
+SELECT '2025-03-28'::date <> '2025-03-28 00:00:01'::timestamp as t;
+SELECT '2025-03-28'::date < '2025-03-28 00:00:01'::timestamp as t;
+SELECT '2025-03-28'::date <= '2025-03-28 00:00:00'::timestamp as t;
+SELECT '2025-03-28'::date > '2025-03-27 23:59:59'::timestamp as t;
+SELECT '2025-03-28'::date >= '2025-03-28 00:00:00'::timestamp as t;
+
+--
+-- Comparisons between timestamp and date types
+---
+
+SELECT '2025-03-28 00:00:00'::timestamp = '2025-03-28'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamp <> '2025-03-27'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamp < '2025-03-29'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamp <= '2025-03-28'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamp > '2025-03-27'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamp >= '2025-03-28'::date as t;
+
+--
+-- Comparisons between date and timestamptz types
+---
+
+SET TimeZone to 'UTC';
+
+SELECT '2025-03-28'::date = '2025-03-28 00:00:00'::timestamptz as t;
+SELECT '2025-03-28'::date <> '2025-03-28 00:00:01'::timestamptz as t;
+SELECT '2025-03-28'::date < '2025-03-28 00:00:01'::timestamptz as t;
+SELECT '2025-03-28'::date <= '2025-03-28 00:00:00'::timestamptz as t;
+SELECT '2025-03-28'::date > '2025-03-27 23:59:59'::timestamptz as t;
+SELECT '2025-03-28'::date >= '2025-03-28 00:00:00'::timestamptz as t;
+
+RESET TimeZone;
+
+--
+-- Comparisons between timestamptz and date types
+---
+
+SET TimeZone to 'UTC';
+
+SELECT '2025-03-28 00:00:00'::timestamptz = '2025-03-28'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamptz <> '2025-03-27'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamptz < '2025-03-29'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamptz <= '2025-03-28'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamptz > '2025-03-27'::date as t;
+SELECT '2025-03-28 00:00:00'::timestamptz >= '2025-03-28'::date as t;
+
+RESET TimeZone;
+
 --
 -- Tests for BETWEEN
 --