diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index 2aa6df1..7c9aee3 100644
--- a/src/backend/utils/adt/formatting.c
+++ b/src/backend/utils/adt/formatting.c
@@ -3332,6 +3332,12 @@ to_date(PG_FUNCTION_ARGS)
 
 	do_to_timestamp(date_txt, fmt, &tm, &fsec);
 
+	if (!IS_VALID_JULIAN(tm.tm_year, tm.tm_mon, tm.tm_mday))
+		ereport(ERROR,
+				(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
+				 errmsg("date out of range: \"%s\"",
+						text_to_cstring(date_txt))));
+
 	result = date2j(tm.tm_year, tm.tm_mon, tm.tm_mday) - POSTGRES_EPOCH_JDATE;
 
 	PG_RETURN_DATEADT(result);