diff --git a/main.py b/main.py
index 4129de0..ad4f6f1 100644
--- a/main.py
+++ b/main.py
@@ -115,13 +115,15 @@ def get_html_path(config, item_json):
     folder_directory = config.html_root / escape_filename(item_json["folder"])
     folder_directory.mkdir(exist_ok=True)
 
-    datetime_published = datetime.fromtimestamp(item_json["published"], config.timezone).strftime(config.time_format)
-    html_name = escape_filename(f"{datetime_published}\t[{item_json["origin_title"]}]\t{item_json["title"]}.html")
+    html_name = escape_filename(f"{item_json["published_formatted"]}\t[{item_json["origin_title"]}]\t{item_json["title"]}.html")
     html_name = html_name[:max_filename_length] + '….html' if len(html_name) > max_filename_length else html_name
 
     html_path = folder_directory / html_name
     return html_path
 
+def format_datetime(config, timestamp):
+    return datetime.fromtimestamp(timestamp, config.timezone).strftime(config.time_format)
+
 def synchronize_with_server(config, client_session):
     # Synchronize items from the server, generating and deleting JSON and HTML files accordingly
     config.update_lock.touch()
@@ -144,7 +146,9 @@ def synchronize_with_server(config, client_session):
                         "folder": folder_name,
                         "title": item_content.title,
                         "published": item_content.published,
+                        "published_formatted": format_datetime(config, item_content.published),
                         "updated": item_content.updated,
+                        "updated_formatted": format_datetime(config, item_content.updated),
                         "author": item_content.author,
                         "summary": item_content.summary.content,
                         "content": item_content.content.content,
@@ -187,7 +191,6 @@ def synchronize_with_server(config, client_session):
 
 def generate_html_for_item(config, item_json):
     # Write HTML file for a JSON object
-    datetime_published = datetime.fromtimestamp(item_json["published"], config.timezone).strftime(config.time_format)
     html_path = config.html_root / item_json["html_path"]
     if html_path.exists():
         print(f"WARNING: a file already exist for {html_path}. Either the feed has duplicate entries, or something has gone terribly wrong.")
@@ -205,7 +208,7 @@ def generate_html_for_item(config, item_json):
     <style>a{{color:palevioletred; text-decoration:none;}}</style>
     <article style="max-width:60rem; margin:auto;">
         <p style="display:flex; flex-direction:row; justify-content:space-between;">
-            <span>{datetime_published}</span>
+            <span>{item_json["published_formatted"]}</span>
             <span><a href="{item_json["origin_url"]}">{item_json["origin_title"]}</a></span>
         </p>
         <h1><a href="{item_json["canonical_url"]}">{item_json["title"]}</a></h1>