diff --git a/winixd/html/index_head_adder.html b/winixd/html/index_head_adder.html
index d6dc110..34b7168 100644
--- a/winixd/html/index_head_adder.html
+++ b/winixd/html/index_head_adder.html
@@ -11,6 +11,12 @@
 [def? winix_load_uikit true]
 [def? winix_load_htmx true]
 
+[def? winix_load_clocklet false]
+[def? winix_clocklet_uikit_theme true]
+
+[def? winix_load_flatpickr false]
+
+[def? winix_load_litepicker false]
 
 
 [if winix_set_charset]
@@ -307,6 +313,72 @@ cm.save()
 [end]
 
 
+
+[if winix_load_clocklet]
+	[# https://github.com/luncheon/clocklet ]
+	[# https://luncheon.github.io/clocklet/demo.html - color samples here too]
+	<link rel="stylesheet" href="[doc_base_url_common]/clocklet/0.3.0/clocklet.min.css">
+	<script src="[doc_base_url_common]/clocklet/0.3.0/clocklet.js"></script>
+
+	[if winix_clocklet_uikit_theme]
+	<link rel="stylesheet" href="[doc_base_url_common]/clocklet/0.3.0/uikit-theme.css">
+	[end]
+		
+[end]
+
+[if winix_load_flatpickr]
+	[# date picker, time picker, date and time picker, date range picker (selecting time works only for the first day), available different themes ]
+	[# the datepicker on mobile devices is a native datepicker (this functionality can be disabled via disableMobile option) ]
+	[# https://flatpickr.js.org ]
+	[# https://github.com/flatpickr/flatpickr ]
+	[# options: https://flatpickr.js.org/options/ ]
+	
+	<link rel="stylesheet" href="[doc_base_url_common]/flatpickr/4.6.9/flatpickr.min.css">
+	<script src="[doc_base_url_common]/flatpickr/4.6.9/flatpickr.js"></script>
+	
+	[if is_not [lang "flatpickr_locale_url"] "none"]
+		<script src="[doc_base_url_common]/flatpickr/4.6.9/l10n/[lang "flatpickr_locale_url"]"></script>
+		
+		<script>
+			flatpickr.localize(flatpickr.l10ns.{flatpickr_locale_config_prefix});
+		</script>
+	[end]
+	
+	[if false]
+	[# can be inserted in this way: ]
+		<script>
+		flatpickr("#my-input-id", \{
+		\});
+		</script>
+	[end]
+	
+[end]
+
+
+[if winix_load_litepicker]
+	[# date picker and date range picker ]
+	[# can show a dialog with more than one month, config parameters: numberOfColumns and numberOfMonths]
+	[# https://litepicker.com ]
+	[# https://github.com/wakirin/litepicker/ ]
+	[# options: https://litepicker.com/docs/options ]
+	
+	[# in bundle.js there are all plugins, you can use litepicker.js to load the datepicker without plugins]
+
+	<script src="[doc_base_url_common]/litepicker/2.0.11/bundle.js"></script>
+
+	[if false]
+	[# can be inserted in this way: ]
+		<script>
+		const picker = new Litepicker(\{ 
+			element: document.getElementById('my-input-id'),
+			plugins: \['mobilefriendly'\],
+			lang: "{winix_html_lang_attr}"
+		\});
+		</script>
+	[end]
+[end]
+
+
 [if false]
 [# temporarily blocked]
 [if winix_has_plugin "stats"]
diff --git a/winixd/locale/en b/winixd/locale/en
index 8daa28d..6b02863 100644
--- a/winixd/locale/en
+++ b/winixd/locale/en
@@ -667,6 +667,6 @@ seo_description = Description
 seo_keywords = Keywords
 
 
-
-
+flatpickr_locale_url = "none"
+flatpickr_locale_config_prefix = ""
 
diff --git a/winixd/locale/pl b/winixd/locale/pl
index bf38782..d5bd5c9 100644
--- a/winixd/locale/pl
+++ b/winixd/locale/pl
@@ -684,5 +684,6 @@ seo_keywords = "Słowa kluczowe (tag meta keywords)"
 
 
 
-
+flatpickr_locale_url = "pl.js"
+flatpickr_locale_config_prefix = "pl"