Index: core/install/cache/class_structure.php
===================================================================
--- core/install/cache/class_structure.php
+++ core/install/cache/class_structure.php
@@ -44,6 +44,7 @@
 		'CustomDataEventHandler' => '/core/units/custom_data/custom_data_event_handler.php',
 		'CustomFieldsEventHandler' => '/core/units/custom_fields/custom_fields_event_handler.php',
 		'CustomFieldsTagProcessor' => '/core/units/custom_fields/custom_fields_tag_processor.php',
+		'DateHelper' => '/core/units/helpers/date_helper.php',
 		'Debugger' => '/core/kernel/utility/debugger.php',
 		'DebuggerUtil' => '/core/kernel/utility/debugger.php',
 		'DeploymentHelper' => '/core/units/helpers/deployment_helper.php',
@@ -604,6 +605,13 @@
 				0 => 'kDBTagProcessor',
 			),
 		),
+		'DateHelper' => array(
+			'type' => 1,
+			'modifiers' => 0,
+			'extends' => array(
+				0 => 'kHelper',
+			),
+		),
 		'Debugger' => array(
 			'type' => 1,
 			'modifiers' => 0,
Index: core/install/english.lang
===================================================================
--- core/install/english.lang
+++ core/install/english.lang
@@ -1753,6 +1753,7 @@
 			<PHRASE Label="la_Windows" Module="Core" Type="1">V2luZG93cw==</PHRASE>
 			<PHRASE Label="la_year" Module="Core" Type="1">eWVhcg==</PHRASE>
 			<PHRASE Label="la_Yes" Module="Core" Type="1">WWVz</PHRASE>
+			<PHRASE Label="lc_ago" Module="Core" Type="2">YWdv</PHRASE>
 			<PHRASE Label="lc_field_CachedDescendantCatsQty" Module="Core" Type="2">U3ViLXNlY3Rpb25zIFF1YW50aXR5</PHRASE>
 			<PHRASE Label="lc_field_CachedNavBar" Module="Core" Type="2">TmF2aWdhdGlvbiBCYXI=</PHRASE>
 			<PHRASE Label="lc_field_cachedrating" Module="Core" Type="2">UmF0aW5n</PHRASE>
@@ -1785,6 +1786,7 @@
 			<PHRASE Label="lc_field_topseller" Module="Core" Type="2">SXRlbSBJcyBhIFRvcCBTZWxsZXI=</PHRASE>
 			<PHRASE Label="lc_field_url" Module="Core" Type="2">VVJM</PHRASE>
 			<PHRASE Label="lc_of" Module="Core" Type="2">b2Y=</PHRASE>
+			<PHRASE Label="lc_since" Module="Core" Type="2">c2luY2U=</PHRASE>
 			<PHRASE Label="lc_Text_Invalid" Module="Core" Type="2">SW52YWxpZA==</PHRASE>
 			<PHRASE Label="lc_Text_Not_Validated" Module="Core" Type="2">Tm90IFZhbGlkYXRlZA==</PHRASE>
 			<PHRASE Label="lc_Text_Valid" Module="Core" Type="2">VmFsaWQ=</PHRASE>
Index: core/kernel/utility/formatters/date_formatter.php
===================================================================
--- core/kernel/utility/formatters/date_formatter.php
+++ core/kernel/utility/formatters/date_formatter.php
@@ -24,6 +24,13 @@
 	var $language = null;
 
 	/**
+	 * Date helper.
+	 *
+	 * @var DateHelper
+	 */
+	protected $dateHelper;
+
+	/**
 	 * Create date formatter
 	 *
 	 * @access public
@@ -290,9 +297,39 @@
 			$format = trim($format, $dt_separator);
 		}
 
+		if ( preg_match('/^relative(.*)/', $options['format'], $regs) ) {
+			$detalization_level = trim($regs[1], ':');
+
+			return $this->relativeFormat($value, ($detalization_level < 1) ? 1 : $detalization_level);
+		}
+
 		return date($format, $value);
 	}
 
+	/**
+	 * Formats value as relation to current time.
+	 *
+	 * @param integer $from            Date.
+	 * @param integer $level_of_detail Level of details.
+	 *
+	 * @return string
+	 */
+	protected function relativeFormat($from, $level_of_detail)
+	{
+		if ( !isset($this->dateHelper) ) {
+			$this->dateHelper = $this->Application->recallObject('DateHelper');
+		}
+
+		if ( $from == TIMENOW ) {
+			$from = TIMENOW - 1;
+		}
+
+		$suffix = $this->Application->Phrase($from > TIMENOW ? 'lc_since' : 'lc_ago');
+		$res = $this->dateHelper->getHumanTime(abs($from - TIMENOW), $level_of_detail);
+
+		return $res . ' ' . $suffix;
+	}
+
 	function HumanFormat($format)
 	{
 		$patterns = Array('/m/',
Index: core/units/helpers/date_helper.php
===================================================================
--- /dev/null
+++ core/units/helpers/date_helper.php
@@ -0,0 +1,81 @@
+<?php
+/**
+* @version	$Id$
+* @package	In-Portal
+* @copyright	Copyright (C) 1997 - 2016 Intechnic. All rights reserved.
+* @license      GNU/GPL
+* In-Portal is Open Source software.
+* This means that this software may have been modified pursuant
+* the GNU General Public License, and as distributed it includes
+* or is derivative of works licensed under the GNU General Public License
+* or other free or open source software licenses.
+* See http://www.in-portal.org/license for copyright notices and details.
+*/
+
+defined('FULL_PATH') or die('restricted access!');
+
+class DateHelper extends kHelper
+{
+
+	/**
+	 * Returns human representation of given seconds (e.g. `12 days, and 5 hours`).
+	 *
+	 * @param integer $seconds            Seconds.
+	 * @param integer $detalization_level Detalization level.
+	 *
+	 * @return string
+	 */
+	public function getHumanTime($seconds, $detalization_level)
+	{
+		$units = array(
+			'year' => 29030400, // Seconds in a year (12 months).
+			'month' => 2419200, // Seconds in a month  (4 weeks).
+			'week' => 604800, // Seconds in a week (7 days).
+			'day' => 86400, // Seconds in a day (24 hours).
+			'hour' => 3600, // Seconds in an hour (60 minutes).
+			'minute' => 60, // Seconds in a minute (60 seconds).
+			'second' => 1, // 1 second.
+		);
+
+		$res = '';
+		$current_detalization_level = 0;
+
+		foreach ( $units as $unit => $multiplier ) {
+			if ( $seconds >= $multiplier ) {
+				$and = (!$res || $multiplier != 1) ? '' : 'and ';
+				$res .= ', ' . $and . intval($seconds / $multiplier);
+				$res .= ' ' . $unit . (intval($seconds / $multiplier) == 1 ? '' : 's');
+				$seconds -= intval($seconds / $multiplier) * $multiplier;
+				$current_detalization_level++;
+
+				if ( $current_detalization_level >= $detalization_level ) {
+					break;
+				}
+			}
+		}
+
+		return substr($res, strlen(', '));
+	}
+
+	/**
+	 * Returns human representation of given seconds in short format (e.g. `12d 5h`).
+	 *
+	 * @param integer $seconds Seconds.
+	 *
+	 * @return string
+	 */
+	public function getShortHumanTime($seconds)
+	{
+		// Using "DateInterval" class directly will lose 61+ second.
+		$now = new DateTime();
+		$futher_date = new DateTime();
+		$now->setTimestamp(0);
+		$futher_date->setTimestamp($seconds);
+		$interval = $futher_date->diff($now);
+
+		$ret = $interval->format(' %yy %mm %dd %hh %imi %ss');
+
+		return trim(preg_replace('/ 0\w+/', '', $ret));
+	}
+
+}