diff --git a/Files.cmake b/Files.cmake
index 91b58ee2..e23a18d1 100644
--- a/Files.cmake
+++ b/Files.cmake
@@ -190,6 +190,7 @@ IF (MSGPACK_ENABLE_CXX)
         include/msgpack/adaptor/cpp11/forward_list.hpp
         include/msgpack/adaptor/cpp11/reference_wrapper.hpp
         include/msgpack/adaptor/cpp11/shared_ptr.hpp
+        include/msgpack/adaptor/cpp11/timespec.hpp
         include/msgpack/adaptor/cpp11/tuple.hpp
         include/msgpack/adaptor/cpp11/unique_ptr.hpp
         include/msgpack/adaptor/cpp11/unordered_map.hpp
@@ -552,6 +553,7 @@ IF (MSGPACK_ENABLE_CXX)
         include/msgpack/v1/adaptor/cpp11/forward_list.hpp
         include/msgpack/v1/adaptor/cpp11/reference_wrapper.hpp
         include/msgpack/v1/adaptor/cpp11/shared_ptr.hpp
+        include/msgpack/v1/adaptor/cpp11/timespec.hpp
         include/msgpack/v1/adaptor/cpp11/tuple.hpp
         include/msgpack/v1/adaptor/cpp11/unique_ptr.hpp
         include/msgpack/v1/adaptor/cpp11/unordered_map.hpp
diff --git a/include/msgpack/adaptor/cpp11/timespec.hpp b/include/msgpack/adaptor/cpp11/timespec.hpp
new file mode 100644
index 00000000..23652ce6
--- /dev/null
+++ b/include/msgpack/adaptor/cpp11/timespec.hpp
@@ -0,0 +1,16 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2019 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef MSGPACK_TYPE_CPP11_TIMESPEC_HPP
+#define MSGPACK_TYPE_CPP11_TIMESPEC_HPP
+
+#include "msgpack/v1/adaptor/cpp11/timespec.hpp"
+
+#endif // MSGPACK_TYPE_CPP11_TIMESPEC_HPP
diff --git a/include/msgpack/type.hpp b/include/msgpack/type.hpp
index b98e7826..6a48c497 100644
--- a/include/msgpack/type.hpp
+++ b/include/msgpack/type.hpp
@@ -39,6 +39,7 @@
 #include "adaptor/cpp11/forward_list.hpp"
 #include "adaptor/cpp11/reference_wrapper.hpp"
 #include "adaptor/cpp11/shared_ptr.hpp"
+#include "adaptor/cpp11/timespec.hpp"
 #include "adaptor/cpp11/tuple.hpp"
 #include "adaptor/cpp11/unique_ptr.hpp"
 #include "adaptor/cpp11/unordered_map.hpp"
diff --git a/include/msgpack/v1/adaptor/cpp11/timespec.hpp b/include/msgpack/v1/adaptor/cpp11/timespec.hpp
new file mode 100644
index 00000000..dc047ee0
--- /dev/null
+++ b/include/msgpack/v1/adaptor/cpp11/timespec.hpp
@@ -0,0 +1,140 @@
+//
+// MessagePack for C++ static resolution routine
+//
+// Copyright (C) 2018 KONDO Takatoshi
+//
+//    Distributed under the Boost Software License, Version 1.0.
+//    (See accompanying file LICENSE_1_0.txt or copy at
+//    http://www.boost.org/LICENSE_1_0.txt)
+//
+#ifndef MSGPACK_V1_TYPE_CPP11_TIMESPEC_HPP
+#define MSGPACK_V1_TYPE_CPP11_TIMESPEC_HPP
+
+#include "msgpack/versioning.hpp"
+#include "msgpack/adaptor/adaptor_base.hpp"
+#include "msgpack/object.hpp"
+
+#include <ctime>
+
+namespace msgpack {
+
+/// @cond
+MSGPACK_API_VERSION_NAMESPACE(v1) {
+/// @endcond
+
+namespace adaptor {
+
+template <>
+struct convert<timespec> {
+    msgpack::object const& operator()(msgpack::object const& o, timespec& v) const {
+        if(o.type != msgpack::type::EXT) { throw msgpack::type_error(); }
+        if(o.via.ext.type() != -1) { throw msgpack::type_error(); }
+        switch(o.via.ext.size) {
+        case 4: {
+            uint32_t sec;
+            _msgpack_load32(uint32_t, o.via.ext.data(), &sec);
+            v.tv_sec = static_cast<decltype(v.tv_sec)>(sec);
+            v.tv_nsec = 0;
+        } break;
+        case 8: {
+            uint64_t value;
+            _msgpack_load64(uint64_t, o.via.ext.data(), &value);
+            v.tv_sec = static_cast<decltype(v.tv_sec)>(value & 0x00000003ffffffffLL);
+            v.tv_nsec= static_cast<decltype(v.tv_nsec)>(value >> 34);
+        } break;
+        case 12: {
+            uint32_t nanosec;
+            _msgpack_load32(uint32_t, o.via.ext.data(), &nanosec);
+            int64_t sec;
+            _msgpack_load64(int64_t, o.via.ext.data() + 4, &sec);
+            v.tv_sec = static_cast<decltype(v.tv_sec)>(sec);
+            v.tv_nsec = static_cast<decltype(v.tv_nsec)>(nanosec);
+        } break;
+        default:
+            throw msgpack::type_error();
+        }
+        return o;
+    }
+};
+
+template <>
+struct pack<timespec> {
+    template <typename Stream>
+    msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const timespec& v) const {
+        if ((static_cast<uint64_t>(v.tv_sec) >> 34) == 0) {
+            uint64_t data64 = (static_cast<uint64_t>(v.tv_nsec) << 34) | static_cast<uint64_t>(v.tv_sec);
+            if ((data64 & 0xffffffff00000000L) == 0) {
+                // timestamp 32
+                o.pack_ext(4, -1);
+                uint32_t data32 = static_cast<uint32_t>(data64);
+                char buf[4];
+                _msgpack_store32(buf, data32);
+                o.pack_ext_body(buf, 4);
+            }
+            else {
+                // timestamp 64
+                o.pack_ext(8, -1);
+                char buf[8];
+                _msgpack_store64(buf, data64);
+                o.pack_ext_body(buf, 8);
+            }
+        }
+        else {
+            // timestamp 96
+            o.pack_ext(12, -1);
+            char buf[12];
+            _msgpack_store32(&buf[0], static_cast<uint32_t>(v.tv_nsec));
+            _msgpack_store64(&buf[4], v.tv_sec);
+            o.pack_ext_body(buf, 12);
+        }
+        return o;
+    }
+};
+
+template <>
+struct object_with_zone<timespec> {
+    void operator()(msgpack::object::with_zone& o, const timespec& v) const {
+        if ((static_cast<uint64_t>(v.tv_sec) >> 34) == 0) {
+            uint64_t data64 = (static_cast<uint64_t>(v.tv_nsec) << 34) | static_cast<uint64_t>(v.tv_sec);
+            if ((data64 & 0xffffffff00000000L) == 0) {
+                // timestamp 32
+                o.type = msgpack::type::EXT;
+                o.via.ext.size = 4;
+                char* p = static_cast<char*>(o.zone.allocate_no_align(o.via.ext.size + 1));
+                p[0] = static_cast<char>(-1);
+                uint32_t data32 = static_cast<uint32_t>(data64);
+                _msgpack_store32(&p[1], data32);
+                o.via.ext.ptr = p;
+            }
+            else {
+                // timestamp 64
+                o.type = msgpack::type::EXT;
+                o.via.ext.size = 8;
+                char* p = static_cast<char*>(o.zone.allocate_no_align(o.via.ext.size + 1));
+                p[0] = static_cast<char>(-1);
+                _msgpack_store64(&p[1], data64);
+                o.via.ext.ptr = p;
+            }
+        }
+        else {
+            // timestamp 96
+            o.type = msgpack::type::EXT;
+            o.via.ext.size = 12;
+            char* p = static_cast<char*>(o.zone.allocate_no_align(o.via.ext.size + 1));
+            p[0] = static_cast<char>(-1);
+            _msgpack_store32(&p[1], static_cast<uint32_t>(v.tv_nsec));
+            _msgpack_store64(&p[1 + 4], v.tv_sec);
+            o.via.ext.ptr = p;
+        }
+    }
+};
+
+} // namespace adaptor
+
+/// @cond
+} // MSGPACK_API_VERSION_NAMESPACE(v1)
+/// @endcond
+
+} // namespace msgpack
+
+#endif // MSGPACK_V1_TYPE_CPP11_TIMESPEC_HPP
diff --git a/test/msgpack_cpp11.cpp b/test/msgpack_cpp11.cpp
index c115c481..34588bf3 100644
--- a/test/msgpack_cpp11.cpp
+++ b/test/msgpack_cpp11.cpp
@@ -1049,4 +1049,158 @@ TEST(MSGPACK_CHRONO, system_clock_impl_now)
     EXPECT_EQ(val1, val3);
 }
 
+TEST(MSGPACK_TIMESPEC, timespec_pack_convert_zero)
+{
+    std::stringstream ss;
+    timespec val1{ 0, 0 };
+
+    msgpack::pack(ss, val1);
+    EXPECT_EQ(ss.str().data()[0], static_cast<char>(0xd6));
+
+    msgpack::object_handle oh;
+    msgpack::unpack(oh, ss.str().data(), ss.str().size());
+    timespec val2 = oh.get().as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_object_with_zone_zero)
+{
+    msgpack::zone z;
+    timespec val1{ 0, 0 };
+    msgpack::object obj(val1, z);
+    timespec val2 = obj.as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_pack_convert_32bit_sec)
+{
+    std::stringstream ss;
+    timespec val1{ 0xffffffffUL, 0 };
+
+    msgpack::pack(ss, val1);
+    EXPECT_EQ(ss.str().data()[0], static_cast<char>(0xd6));
+
+    msgpack::object_handle oh;
+    msgpack::unpack(oh, ss.str().data(), ss.str().size());
+    timespec val2 = oh.get().as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_object_with_zone_32bit_sec)
+{
+    msgpack::zone z;
+    timespec val1{ 0xffffffffUL, 0 };
+    msgpack::object obj(val1, z);
+    timespec val2 = obj.as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_pack_convert_max_nano)
+{
+    std::stringstream ss;
+    timespec val1{ 0, 999999999 };
+
+    msgpack::pack(ss, val1);
+    EXPECT_EQ(ss.str().data()[0], static_cast<char>(0xd7));
+    msgpack::object_handle oh;
+    msgpack::unpack(oh, ss.str().data(), ss.str().size());
+    timespec val2 = oh.get().as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_object_with_zone_max_nano)
+{
+    msgpack::zone z;
+    timespec val1{ 0, 999999999 };
+    msgpack::object obj(val1, z);
+    timespec val2 = obj.as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_pack_convert_34bit_sec_max_nano)
+{
+    if (sizeof(decltype(std::declval<timespec>().tv_sec)) <= 4) return;
+    std::stringstream ss;
+    timespec val1{ static_cast<decltype(std::declval<timespec>().tv_sec)>(0x3ffffffffULL), 999999999 };
+
+    msgpack::pack(ss, val1);
+    EXPECT_EQ(ss.str().data()[0], static_cast<char>(0xd7));
+
+    msgpack::object_handle oh;
+    msgpack::unpack(oh, ss.str().data(), ss.str().size());
+    timespec val2 = oh.get().as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_object_with_zone_34bit_sec_max_nano)
+{
+    if (sizeof(decltype(std::declval<timespec>().tv_sec)) <= 4) return;
+    msgpack::zone z;
+    timespec val1{ static_cast<decltype(std::declval<timespec>().tv_sec)>(0x3ffffffffULL), 999999999 };
+    msgpack::object obj(val1, z);
+    timespec val2 = obj.as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_pack_convert_35bit_sec_max_nano)
+{
+    if (sizeof(decltype(std::declval<timespec>().tv_sec)) <= 4) return;
+    std::stringstream ss;
+    timespec val1{ static_cast<decltype(std::declval<timespec>().tv_sec)>(0x7ffffffffULL), 999999999 };
+
+    msgpack::pack(ss, val1);
+    EXPECT_EQ(ss.str().data()[0], static_cast<char>(0xc7));
+
+    msgpack::object_handle oh;
+    msgpack::unpack(oh, ss.str().data(), ss.str().size());
+    timespec val2 = oh.get().as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_object_with_zone_35bit_sec_max_nano)
+{
+    if (sizeof(decltype(std::declval<timespec>().tv_sec)) <= 4) return;
+    msgpack::zone z;
+    timespec val1{ static_cast<decltype(std::declval<timespec>().tv_sec)>(0x7ffffffffULL), 999999999 };
+    msgpack::object obj(val1, z);
+    timespec val2 = obj.as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_pack_convert_64bit_sec_max_nano)
+{
+    std::stringstream ss;
+    timespec val1{ std::numeric_limits<decltype(std::declval<timespec>().tv_sec)>::max(), 999999999 };
+
+    msgpack::pack(ss, val1);
+    EXPECT_EQ(ss.str().data()[0], static_cast<char>(0xc7));
+
+    msgpack::object_handle oh;
+    msgpack::unpack(oh, ss.str().data(), ss.str().size());
+    timespec val2 = oh.get().as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+TEST(MSGPACK_TIMESPEC, timespec_object_with_zone_64bit_sec_max_nano)
+{
+    msgpack::zone z;
+    timespec val1{ std::numeric_limits<decltype(std::declval<timespec>().tv_sec)>::max(), 999999999 };
+    msgpack::object obj(val1, z);
+    timespec val2 = obj.as<timespec>();
+    EXPECT_EQ(val1.tv_sec, val2.tv_sec);
+    EXPECT_EQ(val1.tv_nsec, val2.tv_nsec);
+}
+
+
 #endif // !defined(MSGPACK_USE_CPP03)