diff --git a/bench/Makefile b/bench/Makefile
index a31868a6..1a510c8e 100644
--- a/bench/Makefile
+++ b/bench/Makefile
@@ -3,7 +3,7 @@ CXXFLAGS	= -march=native -Wall -Wextra -Wshadow -pedantic -std=c++11 -pthread -W
 CXX_RELEASE_FLAGS = -O3 -flto
 
 
-all:	spdlog-bench spdlog-bench-mt boost-bench boost-bench-mt
+all:	spdlog-bench spdlog-bench-mt boost-bench boost-bench-mt glog-bench glog-bench-mt
 
 spdlog-bench: spdlog-bench.cpp
 	$(CXX) spdlog-bench.cpp -o spdlog-bench $(CXXFLAGS) $(CXX_RELEASE_FLAGS)
@@ -20,8 +20,16 @@ boost-bench-mt: boost-bench-mt.cpp
 	$(CXX) boost-bench-mt.cpp -o boost-bench-mt $(CXXFLAGS) $(BOOST_FLAGS) $(CXX_RELEASE_FLAGS)	
 
 
+GLOG_FLAGS = -lglog
+glog-bench: glog-bench.cpp
+	$(CXX) glog-bench.cpp -o glog-bench $(CXXFLAGS) $(GLOG_FLAGS) $(CXX_RELEASE_FLAGS)
+	
+glog-bench-mt: glog-bench-mt.cpp
+	$(CXX) glog-bench-mt.cpp -o glog-bench-mt $(CXXFLAGS) $(GLOG_FLAGS) $(CXX_RELEASE_FLAGS)	
+
+
 clean:
-	rm -f *.o logs/*.txt spdlog-bench spdlog-bench-mt boost-bench boost-bench-mt
+	rm -f *.o logs/*.txt spdlog-bench spdlog-bench-mt boost-bench boost-bench-mt glog-bench
 
 
 rebuild: clean all
diff --git a/bench/glog-bench-mt.cpp b/bench/glog-bench-mt.cpp
new file mode 100644
index 00000000..d681b535
--- /dev/null
+++ b/bench/glog-bench-mt.cpp
@@ -0,0 +1,48 @@
+#include <thread>
+#include <vector>
+#include <atomic>
+#include <iostream>
+
+#include "glog/logging.h"
+
+using namespace std;
+
+int main(int argc, char* argv[])
+{
+
+    int thread_count = 10;
+    if(argc > 1)
+        thread_count = atoi(argv[1]);
+
+    int howmany = 1000000;
+ 
+	FLAGS_logtostderr = 0;
+	FLAGS_log_dir = "logs";
+	google::InitGoogleLogging(argv[0]);
+
+    std::atomic<int > msg_counter {0};
+    vector<thread> threads;
+
+    for (int t = 0; t < thread_count; ++t)
+    {
+        threads.push_back(std::thread([&]()
+        {
+            while (true)
+            {
+                int counter = ++msg_counter;
+                if (counter > howmany) break;
+				LOG(INFO) << "glog message # " << counter;
+            }
+        }));
+    }
+
+
+    for(auto &t:threads)
+    {
+        t.join();
+    };
+
+
+
+    return 0;
+}
diff --git a/bench/glog-bench.cpp b/bench/glog-bench.cpp
new file mode 100644
index 00000000..8158df64
--- /dev/null
+++ b/bench/glog-bench.cpp
@@ -0,0 +1,17 @@
+
+#include "glog/logging.h"
+
+
+int main(int, char* argv[])
+{
+    int howmany = 1000000;
+	
+
+	FLAGS_logtostderr = 0;
+	FLAGS_log_dir = "logs";
+	google::InitGoogleLogging(argv[0]);
+    for(int i  = 0 ; i < howmany; ++i)
+	    LOG(INFO) << "glog message # " << i;
+
+    return 0;
+}
diff --git a/bench/run_all.sh b/bench/run_all.sh
index 1d2dad84..cdef0de4 100755
--- a/bench/run_all.sh
+++ b/bench/run_all.sh
@@ -4,19 +4,26 @@ echo
 echo "boost-bench (single thread).."
 time ./boost-bench
 echo ==================================
-sleep 1
+sleep 3
+echo "glog-bench (single thread).."
+time ./glog-bench
+echo ==================================
+sleep 3
 echo "spdlog-bench (single thread)"
 time ./spdlog-bench
 echo ==================================
-sleep 1
+sleep 3
 echo "boost-bench-mt (10 threads, single logger)"..
 time ./boost-bench-mt
 echo ==================================
-sleep 1
+sleep 3
+echo "glog-bench-mt (10 threads, single logger)"..
+time ./glog-bench-mt
+echo ==================================
+sleep 3
 echo "spdlog-bench-mt (10 threads, single logger)"..
 time ./spdlog-bench-mt
 echo ==================================
-sleep 1
 echo
 
 
diff --git a/bench/spdlog-bench.cpp b/bench/spdlog-bench.cpp
index ce739547..bfcc1dc6 100644
--- a/bench/spdlog-bench.cpp
+++ b/bench/spdlog-bench.cpp
@@ -7,7 +7,7 @@ int main(int, char* [])
     int howmany = 1000000;
     namespace spd = spdlog;
     ///Create a file rotating logger with 5mb size max and 3 rotated files
-    auto logger = spd::rotating_logger_mt("file_logger", "logs/spd-sample", 10 *1024 * 1024 , 5);
+    auto logger = spd::rotating_logger_mt("file_logger", "logs/spd-sample", 100 *1024 * 1024 , 5);
 
     logger->set_pattern("[%Y-%b-%d %T.%e]: %v");
     for(int i  = 0 ; i < howmany; ++i)
diff --git a/include/spdlog/details/os.h b/include/spdlog/details/os.h
index cc995cd4..6d46e940 100644
--- a/include/spdlog/details/os.h
+++ b/include/spdlog/details/os.h
@@ -130,7 +130,7 @@ inline int fopen_s(FILE** fp, const std::string& filename, const char* mode)
 }
 
 //Return utc offset in minutes or -1 on failure
-inline int utc_minutes_offset(const std::tm& tm = localtime())
+inline int utc_minutes_offset(const std::tm& tm = details::os::localtime())
 {
 
 #ifdef _WIN32