diff --git a/application/language/bulgarian/qso_lang.php b/application/language/bulgarian/qso_lang.php
index f568468e..474c1aff 100644
--- a/application/language/bulgarian/qso_lang.php
+++ b/application/language/bulgarian/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'This note content is exported to QSL services lik
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Нулирай';
diff --git a/application/language/chinese_simplified/qso_lang.php b/application/language/chinese_simplified/qso_lang.php
index 0460e664..5886904c 100644
--- a/application/language/chinese_simplified/qso_lang.php
+++ b/application/language/chinese_simplified/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = '此笔记内容被导出到QSL服务，如 eqsl.c
 
 $lang['qso_eqsl_qslmsg_helptext'] = "获取该站的 eQSL 默认消息。";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = '重置';
diff --git a/application/language/czech/qso_lang.php b/application/language/czech/qso_lang.php
index 83a90af0..81f8663e 100644
--- a/application/language/czech/qso_lang.php
+++ b/application/language/czech/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'This note content is exported to QSL services lik
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Vymazat';
diff --git a/application/language/dutch/qso_lang.php b/application/language/dutch/qso_lang.php
index 0c9703ad..103f76b4 100644
--- a/application/language/dutch/qso_lang.php
+++ b/application/language/dutch/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'This note content is exported to QSL services lik
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Wis QSO';
diff --git a/application/language/english/qso_lang.php b/application/language/english/qso_lang.php
index 958090cb..b71f2b88 100644
--- a/application/language/english/qso_lang.php
+++ b/application/language/english/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'This note content is exported to QSL services lik
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Reset';
diff --git a/application/language/finnish/qso_lang.php b/application/language/finnish/qso_lang.php
index 033d52f4..ec2d4ab3 100644
--- a/application/language/finnish/qso_lang.php
+++ b/application/language/finnish/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'Tämä viestisi siirtyy myös QSL-palveluihin, ku
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Tyhjennä';
diff --git a/application/language/french/qso_lang.php b/application/language/french/qso_lang.php
index b7478a43..4d1d3296 100644
--- a/application/language/french/qso_lang.php
+++ b/application/language/french/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'This note content is exported to QSL services lik
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Récupérer le message par défaut pour ce lieu de station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "Heure de fin inférieure à celle de début";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Réinitialiser';
diff --git a/application/language/german/qso_lang.php b/application/language/german/qso_lang.php
index 38d20e14..c9c73bd3 100644
--- a/application/language/german/qso_lang.php
+++ b/application/language/german/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'Dieser Notizeninhalt wird an QSL Services wie eqs
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Setze die eQSL Nachricht auf den Standardtext zurück.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Zurücksetzen';
diff --git a/application/language/greek/qso_lang.php b/application/language/greek/qso_lang.php
index bc262cd3..6126855a 100644
--- a/application/language/greek/qso_lang.php
+++ b/application/language/greek/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'Αυτό το περιεχόμενο σημείω
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Επαναφορά';
diff --git a/application/language/italian/qso_lang.php b/application/language/italian/qso_lang.php
index 322d6267..b89ea8d2 100644
--- a/application/language/italian/qso_lang.php
+++ b/application/language/italian/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'Il contenuto di questa nota è esportato a serviz
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Reset';
diff --git a/application/language/polish/qso_lang.php b/application/language/polish/qso_lang.php
index 60bc76e4..036ba89f 100644
--- a/application/language/polish/qso_lang.php
+++ b/application/language/polish/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'This note content is exported to QSL services lik
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Resetuj';
diff --git a/application/language/russian/qso_lang.php b/application/language/russian/qso_lang.php
index 4d018a7d..32f06e10 100644
--- a/application/language/russian/qso_lang.php
+++ b/application/language/russian/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'СОдержимое этой заметки эк
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Сброс';
diff --git a/application/language/spanish/qso_lang.php b/application/language/spanish/qso_lang.php
index 336fce28..03243a41 100644
--- a/application/language/spanish/qso_lang.php
+++ b/application/language/spanish/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'This note content is exported to QSL services lik
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Resetear';
diff --git a/application/language/swedish/qso_lang.php b/application/language/swedish/qso_lang.php
index b2880e9e..7a4e2c8a 100644
--- a/application/language/swedish/qso_lang.php
+++ b/application/language/swedish/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'Detta innehåll exporteras till QSL-services som
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Reset';
diff --git a/application/language/turkish/qso_lang.php b/application/language/turkish/qso_lang.php
index b009f5a6..78ec8417 100644
--- a/application/language/turkish/qso_lang.php
+++ b/application/language/turkish/qso_lang.php
@@ -28,6 +28,9 @@ $lang['qsl_notes_helptext'] = 'Bu not içeriği eqsl.cc gibi QSL servislere akta
 
 $lang['qso_eqsl_qslmsg_helptext'] = "Get the default message for eQSL, for this station.";
 
+// error text //
+$lang['qso_error_timeoff_less_timeon'] = "TimeOff is less than TimeOn";
+
 // Button Text on /qso Display
 
 $lang['qso_btn_reset_qso'] = 'Baştan başla';
diff --git a/application/views/qso/index.php b/application/views/qso/index.php
index 33399dc0..0c266885 100755
--- a/application/views/qso/index.php
+++ b/application/views/qso/index.php
@@ -1,5 +1,8 @@
 <div class="container qso_panel">
-<script language="javascript">var qso_manual  = "<?php echo $_GET['manual']; ?>";</script>
+<script language="javascript">
+  var qso_manual  = "<?php echo $_GET['manual']; ?>";
+  var text_error_timeoff_less_timeon = "<?php echo lang('qso_error_timeoff_less_timeon'); ?>";
+</script>
 
 <div class="row qsopane">
 
@@ -549,7 +552,7 @@
 
         <button type="reset" class="btn btn-secondary" onclick="reset_fields()"><?php echo lang('qso_btn_reset_qso'); ?></button>
         <button type="submit" class="btn btn-primary"><i class="fas fa-save"></i> <?php echo lang('qso_btn_save_qso'); ?></button>
-        <div class="alert alert-danger warningOnSubmit" style="display:none;"><span><i class="fas fa-times-circle"></i></span> <span class="warningOnSubmit_txt">TimeOff lest than TimeOn</span></div>
+        <div class="alert alert-danger warningOnSubmit" style="display:none;"><span><i class="fas fa-times-circle"></i></span> <span class="warningOnSubmit_txt">Error</span></div>
       </div>
     </form>
     </div>
diff --git a/assets/js/sections/qso.js b/assets/js/sections/qso.js
index fb7a2944..47d94cab 100644
--- a/assets/js/sections/qso.js
+++ b/assets/js/sections/qso.js
@@ -1068,9 +1068,11 @@ function testTimeOffConsistency() {
 	var _end_time = $('#qso_input input[name="end_time"]').val();
 	$('#qso_input input[name="end_time"]').removeClass('inputError');
 	$('#qso_input .warningOnSubmit').hide();
+	$('#qso_input .warningOnSubmit_txt').empty();
 	if ( !( (parseInt(_start_time.replaceAll(':','')) <= parseInt(_end_time.replaceAll(':',''))) 
 			|| ((_start_time.substring(0,2)=="23")&&(_end_time.substring(0,2)=="00")) ) ) {
 		$('#qso_input input[name="end_time"]').addClass('inputError');
+		$('#qso_input .warningOnSubmit_txt').html(text_error_timeoff_less_timeon);
 		$('#qso_input .warningOnSubmit').show();
 		$('#qso_input input[name="end_time"]').off('change').on('change',function(){ testTimeOffConsistency(); });
 		return false;