diff --git a/bmc_state_manager.cpp b/bmc_state_manager.cpp
index 667e300..5389fc5 100644
--- a/bmc_state_manager.cpp
+++ b/bmc_state_manager.cpp
@@ -1,6 +1,5 @@
-#include <iostream>
-#include <string>
 #include <phosphor-logging/log.hpp>
+#include <sys/sysinfo.h>
 #include "bmc_state_manager.hpp"
 
 namespace phosphor
@@ -164,6 +163,21 @@
     return server::BMC::currentBMCState(value);
 }
 
+uint64_t BMC::lastRebootTime() const
+{
+    using namespace std::chrono;
+    struct sysinfo info;
+
+    auto rc = sysinfo(&info);
+    assert(rc == 0);
+
+    // Since uptime is in seconds, also get the current time in seconds.
+    auto now = time_point_cast<seconds>(system_clock::now());
+    auto rebootTime = now - seconds(info.uptime);
+
+    return duration_cast<milliseconds>(rebootTime.time_since_epoch()).count();
+}
+
 } // namespace manager
 } // namespace state
 } // namepsace phosphor
diff --git a/bmc_state_manager.hpp b/bmc_state_manager.hpp
index b060ccd..c55c822 100644
--- a/bmc_state_manager.hpp
+++ b/bmc_state_manager.hpp
@@ -50,6 +50,16 @@
     /** @brief Set value of CurrentBMCState **/
     BMCState currentBMCState(BMCState value) override;
 
+    /** @brief Returns the last time the BMC was rebooted
+     *
+     *  @details Uses uptime information to determine when
+     *           the BMC was last rebooted.
+     *
+     *  @return uint64_t - Epoch time, in milliseconds, of the
+     *                     last reboot.
+     */
+    uint64_t lastRebootTime() const override;
+
   private:
     /**
      * @brief discover the state of the bmc