diff --git a/extensions/phal/clock_logger.hpp b/extensions/phal/clock_logger.hpp
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+++ b/extensions/phal/clock_logger.hpp
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+/**
+ * Copyright © 2022 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#pragma once
+
+#include "extensions/phal/create_pel.hpp"
+
+#include <fmt/format.h>
+
+#include <sdeventplus/utility/timer.hpp>
+
+#include <chrono>
+
+namespace openpower::phal::clock
+{
+
+/* Dbus event timer */
+using Timer = sdeventplus::utility::Timer<sdeventplus::ClockId::Monotonic>;
+
+/**
+ * @class Manager - Represents the clock daily management functions
+ *
+ */
+class Manager
+{
+  public:
+    Manager() = delete;
+    Manager(const Manager&) = delete;
+    Manager(Manager&&) = delete;
+    Manager& operator=(const Manager&) = delete;
+    Manager& operator=(Manager&&) = delete;
+    ~Manager() = default;
+
+    /**
+     * Constructor
+     * Starts the functions required to capture clock daily logger data.
+     *
+     * @param[in] event - sdeventplus event loop
+     */
+    Manager(const sdeventplus::Event& event);
+
+    /**
+     * @brief Add a dbus timer
+     */
+    void addTimer();
+
+    /**
+     * @brief Callback when a timer expires
+     */
+    void timerExpired();
+
+    /**
+     * @brief utility function to create clock data log
+     */
+    void createClockDataLog();
+
+  private:
+    /* The sdeventplus even loop to use */
+    sdeventplus::Event _event;
+
+    /** @brief Timer used for LEDs lamp test period */
+    sdeventplus::utility::Timer<sdeventplus::ClockId::Monotonic> timer;
+};
+
+} // namespace openpower::phal::clock