diff --git a/tekuti.el b/tekuti.el
index 55a3f63..bf9a805 100644
--- a/tekuti.el
+++ b/tekuti.el
@@ -39,26 +39,24 @@
 
 ;;; Code:
 
+(defun tekuti--format-date (date)
+  "Format DATE into a date that tekuti understands."
+  (format-time-string "%a, %d %b %Y %H:%M:%S %Z"
+                      (org-timestamp-to-time
+                       (org-timestamp-from-string date))
+                      t))
+
 (defun tekuti-build-data-from-org ()
   (append
    (mapcar
     (lambda (pair)
       (pcase pair
         (`("DATE" ,date)
-         (list "DATE"
-               (format-time-string
-                "%a, %d %b %Y %H:%M:%S %Z"
-                (org-timestamp-to-time
-                 (org-timestamp-from-string date))
-                t)))
+         (list "DATE" (tekuti--format-date date)))
         (`("COMMENTS_DATE" ,date)
          (list "COMMENTS-CLOSED-DATE"
                (and (not (string-empty-p date))
-                    (format-time-string
-                     "%a, %d %b %Y %H:%M:%S %Z"
-                     (org-timestamp-to-time
-                      (org-timestamp-from-string date))
-                     t))))
+                    (tekuti--format-date date))))
         (_ pair)))
     (org-collect-keywords '("TITLE" "TAGS" "STATUS" "COMMENTS" "DATE" "COMMENTS_DATE")))
    (list