--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2005-2019 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) version 3. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ***************************************************************************/
+
+#pragma once
+
+#include "irctag.h"
+
+/**
+ * This namespace contains commonly used message tags, similar to the IrcCaps
+ * namespace used for IRCv3 capabilities.
+ */
+namespace IrcTags
+{
+ /**
+ * Server time for messages.
+ *
+ * https://ircv3.net/specs/extensions/server-time-3.2.html
+ */
+ const IrcTagKey SERVER_TIME = IrcTagKey{"", "time", false};
+}