diff --git a/src/engine/Transaction.c b/src/engine/Transaction.c
index 9878eacaa4..53f01b2d4a 100644
--- a/src/engine/Transaction.c
+++ b/src/engine/Transaction.c
@@ -1803,6 +1803,14 @@ xaccTransSetDatePostedSecs (Transaction *trans, time64 secs)
     set_gains_date_dirty (trans);
 }
 
+void
+xaccTransSetDatePostedSecsNormalized (Transaction *trans, time64 time)
+{
+    GDate date;
+    gnc_gdate_set_time64(&date, time);
+    xaccTransSetDatePostedGDate(trans, date);
+}
+
 void
 xaccTransSetDatePostedGDate (Transaction *trans, GDate date)
 {
diff --git a/src/engine/Transaction.h b/src/engine/Transaction.h
index 70c16d6dcb..51ba5e0052 100644
--- a/src/engine/Transaction.h
+++ b/src/engine/Transaction.h
@@ -556,11 +556,27 @@ void          xaccTransSetDate (Transaction *trans,
 void xaccTransSetDatePostedGDate (Transaction *trans, GDate date);
 
 /** The xaccTransSetDatePostedSecs() method will modify the <i>posted</i>
-    date of the transaction, specified by a time64 (see ctime(3)). The
-    posted date is the date when this transaction was posted at the
-    bank. */
+ *  date of the transaction, specified by a time64 (see ctime(3)). The
+ *  posted date is the date when this transaction was posted at the
+ *  bank.
+ *
+ * Please do not use this function, as the extra time-of-day part messes up a
+ * lot of places. Rather, please use xaccTransSetDatePostedGDate() or
+ * xaccTransSetDatePostedSecsNormalized().
+ */
 void          xaccTransSetDatePostedSecs (Transaction *trans, time64 time);
 
+/** This function sets the <i>posted</i> date of the transaction, specified by
+ * a time64 (see ctime(3)). Contrary to xaccTransSetDatePostedSecs(), the time
+ * will be normalized to only the date part, and the time-of-day will be
+ * ignored. The resulting date is the same as if it had been set as a GDate
+ * through xaccTransSetDatePostedGDate().
+ *
+ * Please prefer this function over xaccTransSetDatePostedSecs().
+ *
+ * The posted date is the date when this transaction was posted at the bank. */
+void          xaccTransSetDatePostedSecsNormalized (Transaction *trans, time64 time);
+
 /**  The xaccTransSetDatePostedTS() method does the same thing as
      xaccTransSetDatePostedSecs(), but takes a struct timespec64. */
 void          xaccTransSetDatePostedTS (Transaction *trans,