diff --git a/db/postgresql/functions/trunc.sql b/db/postgresql/functions/trunc.sql
index 891e8d0319..ae5c689d2a 100644
--- a/db/postgresql/functions/trunc.sql
+++ b/db/postgresql/functions/trunc.sql
@@ -33,7 +33,7 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION trunc(datetime TIMESTAMP WITH TIME ZONE, format varchar)
+CREATE OR REPLACE FUNCTION trunc(datetime TIMESTAMP WITHOUT TIME ZONE, format varchar)
 RETURNS DATE AS $$
 BEGIN
 	IF format = 'Q' THEN
@@ -52,6 +52,13 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION trunc(datetime TIMESTAMP WITH TIME ZONE, format varchar)
+RETURNS DATE AS $$
+BEGIN
+		RETURN trunc(cast(datetime as timestamp without time zone), format);
+END;
+$$ LANGUAGE plpgsql IMMUTABLE;
+
 CREATE OR REPLACE FUNCTION trunc(i INTERVAL)
 RETURNS INTEGER AS $$
 BEGIN
diff --git a/migration/i9/oracle/202211180700_IDEMPIERE-5481.sql b/migration/i9/oracle/202211180700_IDEMPIERE-5481.sql
new file mode 100644
index 0000000000..d5927aa657
--- /dev/null
+++ b/migration/i9/oracle/202211180700_IDEMPIERE-5481.sql
@@ -0,0 +1,6 @@
+SET SQLBLANKLINES ON
+SET DEFINE OFF
+
+SELECT register_migration_script('202211180700_IDEMPIERE-5481.sql') FROM dual;
+
+-- PostgreSQL Only
diff --git a/migration/i9/postgresql/202211180700_IDEMPIERE-5481.sql b/migration/i9/postgresql/202211180700_IDEMPIERE-5481.sql
new file mode 100644
index 0000000000..153e8077c1
--- /dev/null
+++ b/migration/i9/postgresql/202211180700_IDEMPIERE-5481.sql
@@ -0,0 +1,27 @@
+SELECT register_migration_script('202211180700_IDEMPIERE-5481.sql') FROM dual;
+
+CREATE OR REPLACE FUNCTION trunc(datetime TIMESTAMP WITHOUT TIME ZONE, format varchar)
+RETURNS DATE AS $$
+BEGIN
+	IF format = 'Q' THEN
+		RETURN CAST(DATE_Trunc('quarter',datetime) as DATE);
+	ELSIF format = 'Y' or format = 'YEAR' THEN
+		RETURN CAST(DATE_Trunc('year',datetime) as DATE);
+	ELSIF format = 'MM' or format = 'MONTH' THEN
+		RETURN CAST(DATE_Trunc('month',datetime) as DATE);
+	ELSIF format = 'DD' THEN
+		RETURN CAST(DATE_Trunc('day',datetime) as DATE);
+	ELSIF format = 'DY' THEN
+		RETURN CAST(DATE_Trunc('day',datetime) as DATE);
+	ELSE
+		RETURN CAST(datetime AS DATE);
+	END IF;
+END;
+$$ LANGUAGE plpgsql IMMUTABLE;
+
+CREATE OR REPLACE FUNCTION trunc(datetime TIMESTAMP WITH TIME ZONE, format varchar)
+RETURNS DATE AS $$
+BEGIN
+		RETURN trunc(cast(datetime as timestamp without time zone), format);
+END;
+$$ LANGUAGE plpgsql IMMUTABLE;