diff --git a/inc/Spot.php b/inc/Spot.php
index 6efdee6..35d8df7 100755
--- a/inc/Spot.php
+++ b/inc/Spot.php
@@ -117,7 +117,7 @@ class Spot extends Main
 				'site_time'		=> "TIMESTAMP DEFAULT 0",	//DEFAULT 0 removes auto-set to current time
 				'status'		=> "VARCHAR(10)",
 				'taken_on'		=> "TIMESTAMP DEFAULT 0",
-				'timezone'		=> "CHAR(64)",				//see mysql.time_zone_name
+				'timezone'		=> "CHAR(64) NOT NULL",				//see mysql.time_zone_name
 				'token'			=> "VARCHAR(4096)",
 				'type'			=> "VARCHAR(20)",
 				'unix_time'		=> "INT",
@@ -428,7 +428,11 @@ class Spot extends Main
 		$asData['unix_time'] = (int) $iTime;
 		$asData['relative_time'] = Toolbox::getDateTimeDesc($iTime, $this->oLang->getLanguage());
 		$asData['formatted_time'] = $this->getTimeFormat($iTime);
-		if($sTimeZone != '') $asData['formatted_time_local'] = $this->getTimeFormat($iTime, $sTimeZone);
+        
+		if($sTimeZone != '') {
+            $asData['formatted_time_local'] = $this->getTimeFormat($iTime, $sTimeZone);
+			$asData['day_offset'] = self::getTimeZoneDayOffset($iTime, $sTimeZone);
+        }
 	}
 
 	private function getFeedConstraints($sType, $sTimeField='site_time', $sReturnFormat='array') {
@@ -763,7 +767,7 @@ class Spot extends Main
 	}
 
 	public function getTimeFormat($iTime, $sTimeZone='') {
-		if($sTimeZone=='') $sTimeZone = date_default_timezone_get();
+		if($sTimeZone == '') $sTimeZone = date_default_timezone_get();
 
 		$oDate = new \DateTime('@'.$iTime);
 		$oDate->setTimezone(new \DateTimeZone($sTimeZone));
@@ -773,6 +777,14 @@ class Spot extends Main
 		return $this->oLang->getTranslation('date_time', array($sDate, $sTime));
 	}
 
+	public static function getTimeZoneDayOffset($iTime, $sLocalTimeZone) {
+		$sSiteTimeZone = date_default_timezone_get();
+		$iLocalDate = (int) (new \DateTime('@'.$iTime))->setTimezone(new \DateTimeZone($sLocalTimeZone))->format('Ymd');
+		$iSiteDate  = (int) (new \DateTime('@'.$iTime))->setTimezone(new \DateTimeZone($sSiteTimeZone ))->format('Ymd');
+		
+		return ($iLocalDate == $iSiteDate)?'0':(($iLocalDate > $iSiteDate)?'+1':'-1');
+	}
+
 	public static function getTimeZoneFromDate($sDate) {
 		$sTimeZone = null;
 
diff --git a/masks/project.html b/masks/project.html
index 000401c..9606b22 100644
--- a/masks/project.html
+++ b/masks/project.html
@@ -669,7 +669,7 @@ function addSpotMessages(aoMessages) {
 		if(oMsg.formatted_time_local != oMsg.formatted_time) {
 			$Tooltip.append($('<p>', {'class':'timezone'})
 				.addIcon('fa-timezone fa-fw fa-lg', true)
-				.append(oSpot.lang('local_time', oMsg.formatted_time_local)));
+				.append(oSpot.lang('local_time', getRelativeTime(oMsg.formatted_time_local, oMsg.day_offset))));
 		}
 
 		//Weather
@@ -853,6 +853,12 @@ function focusOnPost(oFocusPost) {
 	}
 }
 
+function getRelativeTime(sLocalTime, iOffset) {
+	let $Time = $('<span>').text(sLocalTime.substr(-5));
+	if(iOffset != '0') $Time.append($('<sup>', {'title': iOffset+' '+oSpot.lang('unit_day')+' ('+sLocalTime.substr(0, 5)+')'}).text(' '+iOffset));
+	return $Time.html();
+}
+
 function getPost(asPost) {
 	asPost.headerless = asPost.headerless || false;
 	var bLink = false;
@@ -877,7 +883,7 @@ function getPost(asPost) {
 				.data('clicked', false)
 				.append($('<p>').addIcon('fa-coords', true).append(getGoogleMapsLink(asPost)))
 				.append($('<p>').addIcon('fa-time', true).append(sAbsTime))
-				.append(bTimeDiff?$('<p>').addIcon('fa-timezone', true).append(oSpot.lang('local_time', sAbsTimeLocal)):'')
+				.append(bTimeDiff?$('<p>').addIcon('fa-timezone', true).append(oSpot.lang('local_time', getRelativeTime(sAbsTimeLocal, asPost.day_offset))):'')
 				.append($('<a>', {'class':'drill'})
 					.append((!asPost.weather_icon || asPost.weather_icon=='unknown')?'':$('<span>', {'class':'weather', 'title':oSpot.lang(asPost.weather_cond)}).addIcon('fa-'+asPost.weather_icon).append($('<span>').text(asPost.weather_temp+'°C')))
 					.append($('<img>', {'class':'staticmap', title: oSpot.lang('click_zoom'), src: asPost.static_img_url}))
diff --git a/script/spot.js b/script/spot.js
index a4da119..45b2c99 100755
--- a/script/spot.js
+++ b/script/spot.js
@@ -264,7 +264,7 @@ function Spot(asGlobals)
 
 	this.checkClearance = function(sClearance) {
 		return (self.vars(['user', 'clearance']) >= sClearance);
-	}
+	};
 }
 
 /* Common Functions */