diff --git a/Telegram/SourceFiles/data/data_statistics_chart.h b/Telegram/SourceFiles/data/data_statistics_chart.h
index 5eebf0e07..9fd644cd7 100644
--- a/Telegram/SourceFiles/data/data_statistics_chart.h
+++ b/Telegram/SourceFiles/data/data_statistics_chart.h
@@ -64,6 +64,7 @@ struct StatisticalChart {
 
 	bool isFooterHidden = false;
 	bool hasPercentages = false;
+	bool weekFormat = false;
 
 };
 
diff --git a/Telegram/SourceFiles/info/statistics/info_statistics_inner_widget.cpp b/Telegram/SourceFiles/info/statistics/info_statistics_inner_widget.cpp
index 88e484dab..2669f196c 100644
--- a/Telegram/SourceFiles/info/statistics/info_statistics_inner_widget.cpp
+++ b/Telegram/SourceFiles/info/statistics/info_statistics_inner_widget.cpp
@@ -200,10 +200,10 @@ void FillStatistic(
 			stats.supergroup.dayGraph,
 			tr::lng_chart_title_group_day(),
 			Type::Linear);
-		// addChart(
-		// 	stats.supergroup.weekGraph,
-		// 	tr::lng_chart_title_group_week(),
-		// 	Type::StackLinear);
+		addChart(
+			stats.supergroup.weekGraph,
+			tr::lng_chart_title_group_week(),
+			Type::StackLinear);
 	} else if (stats.message) {
 		addChart(
 			stats.message.messageInteractionGraph,
diff --git a/Telegram/SourceFiles/statistics/chart_widget.cpp b/Telegram/SourceFiles/statistics/chart_widget.cpp
index 333408379..72f6e0cb1 100644
--- a/Telegram/SourceFiles/statistics/chart_widget.cpp
+++ b/Telegram/SourceFiles/statistics/chart_widget.cpp
@@ -76,11 +76,13 @@ void FillLineColorsByKey(Data::StatisticalChart &chartData) {
 	const auto leftDateTime = QDateTime::fromSecsSinceEpoch(
 		leftTimestamp / 1000);
 	const auto leftText = QLocale().toString(leftDateTime.date(), formatter);
-	if (xIndexMin == xIndexMax) {
+	if ((xIndexMin == xIndexMax) && !chartData.weekFormat) {
 		return leftText;
 	} else {
-		const auto rightDateTime = QDateTime::fromSecsSinceEpoch(
-			chartData.x[xIndexMax] / 1000);
+		constexpr auto kSevenDays = 3600 * 24 * 7;
+		const auto rightDateTime = QDateTime::fromSecsSinceEpoch(0
+			+ (chartData.x[xIndexMax] / 1000)
+			+ (chartData.weekFormat ? kSevenDays : 0));
 		return leftText
 			+ ' '
 			+ QChar(8212)
diff --git a/Telegram/SourceFiles/statistics/point_details_widget.cpp b/Telegram/SourceFiles/statistics/point_details_widget.cpp
index 305d31b6b..c9431f965 100644
--- a/Telegram/SourceFiles/statistics/point_details_widget.cpp
+++ b/Telegram/SourceFiles/statistics/point_details_widget.cpp
@@ -33,6 +33,22 @@ namespace {
 	}
 }
 
+[[nodiscard]] QString FormatWeek(float64 timestamp) {
+	constexpr auto kSevenDays = 3600 * 24 * 7;
+	const auto leftFormatter = u"d MMM"_q;
+	const auto rightFormatter = u"d MMM yyyy"_q;
+	timestamp /= 1000;
+	return QLocale().toString(
+			QDateTime::fromSecsSinceEpoch(timestamp).date(),
+			leftFormatter)
+		+ ' '
+		+ QChar(8212)
+		+ ' '
+		+ QLocale().toString(
+			QDateTime::fromSecsSinceEpoch(timestamp + kSevenDays).date(),
+			rightFormatter);
+}
+
 void PaintShadow(QPainter &p, int radius, const QRect &r) {
 	constexpr auto kHorizontalOffset = 1;
 	constexpr auto kHorizontalOffset2 = 2;
@@ -185,10 +201,12 @@ PointDetailsWidget::PointDetailsWidget(
 		{
 			const auto maxHeaderText = Ui::Text::String(
 				_headerStyle,
-				FormatTimestamp(
-					_chartData.x.front(),
-					_longFormat,
-					_shortFormat));
+				_chartData.weekFormat
+					? FormatWeek(_chartData.x.front())
+					: FormatTimestamp(
+						_chartData.x.front(),
+						_longFormat,
+						_shortFormat));
 			maxNameTextWidth = std::max(
 				maxHeaderText.maxWidth()
 					+ st::statisticsDetailsPopupPadding.left(),
@@ -252,6 +270,8 @@ void PointDetailsWidget::setXIndex(int xIndex) {
 			_headerStyle,
 			(timestamp < kOneDay)
 				? _chartData.getDayString(xIndex)
+				: _chartData.weekFormat
+				? FormatWeek(timestamp)
 				: FormatTimestamp(timestamp, _longFormat, _shortFormat));
 	}
 
diff --git a/Telegram/SourceFiles/statistics/statistics_data_deserialize.cpp b/Telegram/SourceFiles/statistics/statistics_data_deserialize.cpp
index 96234faf5..09fb3aa93 100644
--- a/Telegram/SourceFiles/statistics/statistics_data_deserialize.cpp
+++ b/Telegram/SourceFiles/statistics/statistics_data_deserialize.cpp
@@ -125,6 +125,13 @@ Data::StatisticalChart StatisticalChartFromJSON(const QByteArray &json) {
 			}
 		}
 	}
+	{
+		const auto tooltipFormatIt = root.constFind(u"xTooltipFormatter"_q);
+		if (tooltipFormatIt != root.constEnd()) {
+			const auto tooltipFormat = tooltipFormatIt->toString();
+			result.weekFormat = tooltipFormat.contains(u"'week'"_q);
+		}
+	}
 
 	const auto colors = root.value(u"colors"_q).toObject();
 	const auto names = root.value(u"names"_q).toObject();