diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index cc406729e428fc..5838490f517a0b 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -702,6 +702,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_chat_quick_action_react" = "Send reaction with double click";
 "lng_settings_chat_corner_reply" = "Reply button on messages";
 "lng_settings_chat_corner_reaction" = "Reaction button on messages";
+"lng_settings_default_schedule_time" = "Default schedule time";
 
 "lng_settings_shortcuts" = "Keyboard shortcuts";
 
diff --git a/Telegram/SourceFiles/core/core_settings.cpp b/Telegram/SourceFiles/core/core_settings.cpp
index 2ab79584859b6c..4f5f4abccde866 100644
--- a/Telegram/SourceFiles/core/core_settings.cpp
+++ b/Telegram/SourceFiles/core/core_settings.cpp
@@ -271,6 +271,7 @@ QByteArray Settings::serialize() const {
 			+ Serialize::bytearraySize(value);
 	}
 	size += sizeof(qint32); // _audioPlaybackSpeed
+	size += sizeof(qint32); // _defaultScheduleTime
 
 	auto result = QByteArray();
 	result.reserve(size);
@@ -445,6 +446,7 @@ QByteArray Settings::serialize() const {
 			stream << key << value;
 		}
 		stream << qint32(SerializePlaybackSpeed(_audioPlaybackSpeed.current()));
+		stream << qint32(_defaultScheduleTime);
 	}
 
 	Ensures(result.size() == size);
@@ -959,6 +961,13 @@ void Settings::addFromSerialized(const QByteArray &serialized) {
 			audioPlaybackSpeed = speed;
 		}
 	}
+	if (!stream.atEnd()) {
+		auto defaultScheduleTime = qint32();
+		stream >> defaultScheduleTime;
+		if (stream.status() == QDataStream::Ok) {
+			_defaultScheduleTime = defaultScheduleTime;
+		}
+	}
 	if (stream.status() != QDataStream::Ok) {
 		LOG(("App Error: "
 			"Bad data for Core::Settings::constructFromSerialized()"));
diff --git a/Telegram/SourceFiles/core/core_settings.h b/Telegram/SourceFiles/core/core_settings.h
index 26da92fd8f6b14..c07de46c04a7b7 100644
--- a/Telegram/SourceFiles/core/core_settings.h
+++ b/Telegram/SourceFiles/core/core_settings.h
@@ -1025,6 +1025,13 @@ class Settings final {
 		_notificationsVolume = value;
 	}
 
+	[[nodiscard]] TimeId defaultScheduleTime() const {
+		return _defaultScheduleTime;
+	}
+	void setDefaultScheduleTime(TimeId value) {
+		_defaultScheduleTime = value;
+	}
+
 	template <typename Type, typename Other>
 	void writePref(std::string_view key, Other &&value) {
 		writePrefImpl<Type>(key, std::forward<Other>(value));
@@ -1202,6 +1209,8 @@ class Settings final {
 
 	ushort _notificationsVolume = 100;
 
+	TimeId _defaultScheduleTime = 600; // 10 minutes in seconds
+
 	QByteArray _photoEditorBrush;
 
 };
diff --git a/Telegram/SourceFiles/history/view/history_view_schedule_box.cpp b/Telegram/SourceFiles/history/view/history_view_schedule_box.cpp
index b42c48b1d91268..4aa1a64d7aa19a 100644
--- a/Telegram/SourceFiles/history/view/history_view_schedule_box.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_schedule_box.cpp
@@ -9,6 +9,8 @@ For license and copyright information please follow this link:
 
 #include "api/api_common.h"
 #include "chat_helpers/compose/compose_show.h"
+#include "core/application.h"
+#include "core/core_settings.h"
 #include "data/data_peer.h"
 #include "data/data_peer_values.h"
 #include "data/data_user.h"
@@ -207,7 +209,7 @@ ScheduleBoxStyleArgs::ScheduleBoxStyleArgs()
 }
 
 TimeId DefaultScheduleTime() {
-	return base::unixtime::now() + 600;
+	return base::unixtime::now() + Core::App().settings().defaultScheduleTime();
 }
 
 bool CanScheduleUntilOnline(not_null<PeerData*> peer) {
diff --git a/Telegram/SourceFiles/settings/sections/settings_chat.cpp b/Telegram/SourceFiles/settings/sections/settings_chat.cpp
index 6ab0a4d2b7f78f..9530f224fc1c9d 100644
--- a/Telegram/SourceFiles/settings/sections/settings_chat.cpp
+++ b/Telegram/SourceFiles/settings/sections/settings_chat.cpp
@@ -24,6 +24,7 @@ For license and copyright information please follow this link:
 #include "boxes/reactions_settings_box.h"
 #include "boxes/stickers_box.h"
 #include "ui/boxes/confirm_box.h"
+#include "ui/boxes/single_choice_box.h"
 #include "boxes/background_box.h"
 #include "boxes/background_preview_box.h"
 #include "boxes/download_path_box.h"
@@ -1802,6 +1803,94 @@ void SetupMessages(
 		} });
 	}
 
+	Ui::AddSkip(inner, st::settingsCheckboxesSkip);
+
+	// Default schedule time dropdown
+	const auto scheduleValues = std::make_shared<std::vector<TimeId>>(std::vector<TimeId>{
+		300,    // 5 minutes
+		600,    // 10 minutes (default)
+		900,    // 15 minutes
+		1800,   // 30 minutes
+		3600,   // 1 hour
+		7200,   // 2 hours
+		14400,  // 4 hours
+		28800,  // 8 hours
+		86400,  // 1 day
+		172800, // 2 days
+		259200, // 3 days
+		604800, // 7 days
+	});
+
+	const auto formatScheduleTime = [](TimeId seconds, bool showDefault = false) -> QString {
+		QString result;
+		if (seconds < 60) {
+			result = QString::number(seconds) + u" seconds"_q;
+		} else if (seconds < 3600) {
+			const auto minutes = seconds / 60;
+			result = QString::number(minutes) + (minutes == 1 ? u" minute"_q : u" minutes"_q);
+		} else if (seconds < 86400) {
+			const auto hours = seconds / 3600;
+			result = QString::number(hours) + (hours == 1 ? u" hour"_q : u" hours"_q);
+		} else {
+			const auto days = seconds / 86400;
+			result = QString::number(days) + (days == 1 ? u" day"_q : u" days"_q);
+		}
+		if (showDefault && seconds == 600) {
+			result += u" (default)"_q;
+		}
+		return result;
+	};
+
+	const auto currentValue = inner->lifetime().make_state<rpl::variable<TimeId>>(
+		Core::App().settings().defaultScheduleTime());
+
+	const auto scheduleButton = AddButtonWithLabel(
+		inner,
+		tr::lng_settings_default_schedule_time(),
+		currentValue->value() | rpl::map([=](TimeId seconds) {
+			return formatScheduleTime(seconds);
+		}),
+		st::settingsButton,
+		{ &st::menuIconSchedule });
+
+	scheduleButton->addClickHandler([=, show = controller->uiShow()] {
+		auto list = std::vector<QString>();
+		for (const auto value : *scheduleValues) {
+			list.push_back(formatScheduleTime(value, true));
+		}
+		show->showBox(Box([=](not_null<Ui::GenericBox*> box) {
+			const auto save = [=](int index) {
+				if (index >= 0 && index < int(scheduleValues->size())) {
+					const auto newValue = (*scheduleValues)[index];
+					Core::App().settings().setDefaultScheduleTime(newValue);
+					Core::App().saveSettingsDelayed();
+					*currentValue = newValue;
+					box->closeBox();
+				}
+			};
+			SingleChoiceBox(box, {
+				.title = tr::lng_settings_default_schedule_time(),
+				.options = list,
+				.initialSelection = [&] {
+					const auto current = Core::App().settings().defaultScheduleTime();
+					for (auto i = 0; i < int(scheduleValues->size()); ++i) {
+						if ((*scheduleValues)[i] == current) {
+							return i;
+						}
+					}
+					return 1; // Default to 10 minutes
+				}(),
+				.callback = save,
+			});
+		}));
+	});
+	if (highlights) {
+		highlights->push_back({ u"chat/default-schedule-time"_q, {
+			scheduleButton.get(),
+			{ .rippleShape = true },
+		} });
+	}
+
 	Ui::AddSkip(inner);
 }
 
@@ -2020,7 +2109,7 @@ void SetupChatBackground(
 			row->chooseFromGallery(),
 			SubsectionTitleHighlight(),
 		} });
-		highlights->push_back({ u"chat/wallpapers-choose-photo"_q, {
+			highlights->push_back({ u"chat/wallpapers-choose-photo"_q, {
 			row->chooseFromFile(),
 			SubsectionTitleHighlight(),
 		} });