diff --git a/assets/js/sections/qso.js b/assets/js/sections/qso.js
index 5c7083d8..0ae7aadb 100644
--- a/assets/js/sections/qso.js
+++ b/assets/js/sections/qso.js
@@ -459,6 +459,18 @@ if ($('#frequency').val() == "")
 	});
 }
 
+/* format time input shortcut */
+$('#start_time').change(function() {
+	var raw_time = $(this).val();
+	if(raw_time.match(/^\d\[0-6]d$/)) {
+		raw_time = "0"+raw_time;
+	}
+	if(raw_time.match(/^[012]\d[0-5]\d$/)) {
+		raw_time = raw_time.substring(0,2)+":"+raw_time.substring(2,4);
+		$('#start_time').val(raw_time);
+	}
+});
+
 /* on mode change */
 $('.mode').change(function() {
 	$.get('qso/band_to_freq/' + $('#band').val() + '/' + $('.mode').val(), function(result) {