diff --git a/modules/purchase_trade/numbers_to_words.py b/modules/purchase_trade/numbers_to_words.py
index 1637b19..4b90ddc 100644
--- a/modules/purchase_trade/numbers_to_words.py
+++ b/modules/purchase_trade/numbers_to_words.py
@@ -1,5 +1,5 @@
 from decimal import Decimal, ROUND_HALF_UP
-
+from datetime import date
 
 UNITS = (
     "ZERO ONE TWO THREE FOUR FIVE SIX SEVEN EIGHT NINE TEN ELEVEN TWELVE "
@@ -8,6 +8,19 @@ UNITS = (
 
 TENS = "ZERO TEN TWENTY THIRTY FORTY FIFTY SIXTY SEVENTY EIGHTY NINETY".split()
 
+def format_date_en(d):
+    if not d:
+        return ''
+
+    day = d.day
+
+    # Gestion des suffixes ordinaux
+    if 10 <= day % 100 <= 20:
+        suffix = 'TH'
+    else:
+        suffix = {1: 'ST', 2: 'ND', 3: 'RD'}.get(day % 10, 'TH')
+
+    return f"{day}{suffix} {d.strftime('%B').upper()} {d.year}"
 
 def _under_thousand(n):
     words = []
diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 8d9a82d..c7c2f44 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -15,7 +15,7 @@ import datetime
 import logging
 import json
 from trytond.exceptions import UserWarning, UserError
-from trytond.modules.purchase_trade.numbers_to_words import quantity_to_words, amount_to_currency_words
+from trytond.modules.purchase_trade.numbers_to_words import quantity_to_words, amount_to_currency_words, format_date_en
 
 logger = logging.getLogger(__name__)
 
@@ -287,13 +287,18 @@ class Sale(metaclass=PoolMeta):
                 delivery_date = [dd.estimated_date for dd in self.lines[0].estimated_date if dd.trigger=='deldate']
                 if delivery_date:
                     del_date = delivery_date[0]
+                    if del_date:
+                        del_date = format_date_en(del_date)
         return del_date
     
     @property
     def report_payment_date(self):
         if self.lines:
             Date = Pool().get('ir.date')
-            return self.lines[0].sale.payment_term.lines[0].get_date(Date.today(),self.lines[0])
+            payment_date = self.lines[0].sale.payment_term.lines[0].get_date(Date.today(),self.lines[0])
+            if payment_date:
+                payment_date = format_date_en(payment_date)
+                return payment_date
         
     @property
     def report_shipment(self):