diff --git a/liblog/include/log/log.h b/liblog/include/log/log.h
index 36c1e68..9192a70 100644
--- a/liblog/include/log/log.h
+++ b/liblog/include/log/log.h
@@ -32,6 +32,7 @@
 #include <log/log_main.h>
 #include <log/log_radio.h>
 #include <log/log_system.h>
+#include <log/log_time.h>
 #include <log/uio.h> /* helper to define iovec for portability */
 
 #ifdef __cplusplus
@@ -230,177 +231,6 @@
 };
 #endif
 
-/* struct log_time is a wire-format variant of struct timespec */
-#define NS_PER_SEC 1000000000ULL
-
-#ifndef __struct_log_time_defined
-#define __struct_log_time_defined
-#ifdef __cplusplus
-
-/*
- * NB: we did NOT define a copy constructor. This will result in structure
- * no longer being compatible with pass-by-value which is desired
- * efficient behavior. Also, pass-by-reference breaks C/C++ ABI.
- */
-struct log_time {
-public:
-    uint32_t tv_sec; /* good to Feb 5 2106 */
-    uint32_t tv_nsec;
-
-    static const uint32_t tv_sec_max = 0xFFFFFFFFUL;
-    static const uint32_t tv_nsec_max = 999999999UL;
-
-    log_time(const timespec& T)
-    {
-        tv_sec = static_cast<uint32_t>(T.tv_sec);
-        tv_nsec = static_cast<uint32_t>(T.tv_nsec);
-    }
-    log_time(uint32_t sec, uint32_t nsec)
-    {
-        tv_sec = sec;
-        tv_nsec = nsec;
-    }
-#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
-#define __struct_log_time_private_defined
-    static const timespec EPOCH;
-#endif
-    log_time()
-    {
-    }
-#ifdef __linux__
-    log_time(clockid_t id)
-    {
-        timespec T;
-        clock_gettime(id, &T);
-        tv_sec = static_cast<uint32_t>(T.tv_sec);
-        tv_nsec = static_cast<uint32_t>(T.tv_nsec);
-    }
-#endif
-    log_time(const char* T)
-    {
-        const uint8_t* c = reinterpret_cast<const uint8_t*>(T);
-        tv_sec = c[0] |
-                 (static_cast<uint32_t>(c[1]) << 8) |
-                 (static_cast<uint32_t>(c[2]) << 16) |
-                 (static_cast<uint32_t>(c[3]) << 24);
-        tv_nsec = c[4] |
-                  (static_cast<uint32_t>(c[5]) << 8) |
-                  (static_cast<uint32_t>(c[6]) << 16) |
-                  (static_cast<uint32_t>(c[7]) << 24);
-    }
-
-    /* timespec */
-    bool operator== (const timespec& T) const
-    {
-        return (tv_sec == static_cast<uint32_t>(T.tv_sec))
-            && (tv_nsec == static_cast<uint32_t>(T.tv_nsec));
-    }
-    bool operator!= (const timespec& T) const
-    {
-        return !(*this == T);
-    }
-    bool operator< (const timespec& T) const
-    {
-        return (tv_sec < static_cast<uint32_t>(T.tv_sec))
-            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
-                && (tv_nsec < static_cast<uint32_t>(T.tv_nsec)));
-    }
-    bool operator>= (const timespec& T) const
-    {
-        return !(*this < T);
-    }
-    bool operator> (const timespec& T) const
-    {
-        return (tv_sec > static_cast<uint32_t>(T.tv_sec))
-            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
-                && (tv_nsec > static_cast<uint32_t>(T.tv_nsec)));
-    }
-    bool operator<= (const timespec& T) const
-    {
-        return !(*this > T);
-    }
-
-#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
-    log_time operator-= (const timespec& T);
-    log_time operator- (const timespec& T) const
-    {
-        log_time local(*this);
-        return local -= T;
-    }
-    log_time operator+= (const timespec& T);
-    log_time operator+ (const timespec& T) const
-    {
-        log_time local(*this);
-        return local += T;
-    }
-#endif
-
-    /* log_time */
-    bool operator== (const log_time& T) const
-    {
-        return (tv_sec == T.tv_sec) && (tv_nsec == T.tv_nsec);
-    }
-    bool operator!= (const log_time& T) const
-    {
-        return !(*this == T);
-    }
-    bool operator< (const log_time& T) const
-    {
-        return (tv_sec < T.tv_sec)
-            || ((tv_sec == T.tv_sec) && (tv_nsec < T.tv_nsec));
-    }
-    bool operator>= (const log_time& T) const
-    {
-        return !(*this < T);
-    }
-    bool operator> (const log_time& T) const
-    {
-        return (tv_sec > T.tv_sec)
-            || ((tv_sec == T.tv_sec) && (tv_nsec > T.tv_nsec));
-    }
-    bool operator<= (const log_time& T) const
-    {
-        return !(*this > T);
-    }
-
-#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
-    log_time operator-= (const log_time& T);
-    log_time operator- (const log_time& T) const
-    {
-        log_time local(*this);
-        return local -= T;
-    }
-    log_time operator+= (const log_time& T);
-    log_time operator+ (const log_time& T) const
-    {
-        log_time local(*this);
-        return local += T;
-    }
-#endif
-
-    uint64_t nsec() const
-    {
-        return static_cast<uint64_t>(tv_sec) * NS_PER_SEC + tv_nsec;
-    }
-
-#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
-    static const char default_format[];
-
-    /* Add %#q for the fraction of a second to the standard library functions */
-    char* strptime(const char* s, const char* format = default_format);
-#endif
-} __attribute__((__packed__));
-
-#else
-
-typedef struct log_time {
-    uint32_t tv_sec;
-    uint32_t tv_nsec;
-} __attribute__((__packed__)) log_time;
-
-#endif
-#endif
-
 /*
  * The maximum size of the log entry payload that can be
  * written to the logger. An attempt to write more than
diff --git a/liblog/include/log/log_time.h b/liblog/include/log/log_time.h
new file mode 100644
index 0000000..900dc1b
--- /dev/null
+++ b/liblog/include/log/log_time.h
@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2005-2017 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef _LIBS_LOG_LOG_TIME_H
+#define _LIBS_LOG_LOG_TIME_H
+
+#include <stdint.h>
+#include <time.h>
+
+/* struct log_time is a wire-format variant of struct timespec */
+#define NS_PER_SEC 1000000000ULL
+
+#ifndef __struct_log_time_defined
+#define __struct_log_time_defined
+
+#ifdef __cplusplus
+
+/*
+ * NB: we did NOT define a copy constructor. This will result in structure
+ * no longer being compatible with pass-by-value which is desired
+ * efficient behavior. Also, pass-by-reference breaks C/C++ ABI.
+ */
+struct log_time {
+public:
+    uint32_t tv_sec; /* good to Feb 5 2106 */
+    uint32_t tv_nsec;
+
+    static const uint32_t tv_sec_max = 0xFFFFFFFFUL;
+    static const uint32_t tv_nsec_max = 999999999UL;
+
+    log_time(const timespec& T)
+    {
+        tv_sec = static_cast<uint32_t>(T.tv_sec);
+        tv_nsec = static_cast<uint32_t>(T.tv_nsec);
+    }
+    log_time(uint32_t sec, uint32_t nsec)
+    {
+        tv_sec = sec;
+        tv_nsec = nsec;
+    }
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+#define __struct_log_time_private_defined
+    static const timespec EPOCH;
+#endif
+    log_time()
+    {
+    }
+#ifdef __linux__
+    log_time(clockid_t id)
+    {
+        timespec T;
+        clock_gettime(id, &T);
+        tv_sec = static_cast<uint32_t>(T.tv_sec);
+        tv_nsec = static_cast<uint32_t>(T.tv_nsec);
+    }
+#endif
+    log_time(const char* T)
+    {
+        const uint8_t* c = reinterpret_cast<const uint8_t*>(T);
+        tv_sec = c[0] |
+                 (static_cast<uint32_t>(c[1]) << 8) |
+                 (static_cast<uint32_t>(c[2]) << 16) |
+                 (static_cast<uint32_t>(c[3]) << 24);
+        tv_nsec = c[4] |
+                  (static_cast<uint32_t>(c[5]) << 8) |
+                  (static_cast<uint32_t>(c[6]) << 16) |
+                  (static_cast<uint32_t>(c[7]) << 24);
+    }
+
+    /* timespec */
+    bool operator== (const timespec& T) const
+    {
+        return (tv_sec == static_cast<uint32_t>(T.tv_sec))
+            && (tv_nsec == static_cast<uint32_t>(T.tv_nsec));
+    }
+    bool operator!= (const timespec& T) const
+    {
+        return !(*this == T);
+    }
+    bool operator< (const timespec& T) const
+    {
+        return (tv_sec < static_cast<uint32_t>(T.tv_sec))
+            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
+                && (tv_nsec < static_cast<uint32_t>(T.tv_nsec)));
+    }
+    bool operator>= (const timespec& T) const
+    {
+        return !(*this < T);
+    }
+    bool operator> (const timespec& T) const
+    {
+        return (tv_sec > static_cast<uint32_t>(T.tv_sec))
+            || ((tv_sec == static_cast<uint32_t>(T.tv_sec))
+                && (tv_nsec > static_cast<uint32_t>(T.tv_nsec)));
+    }
+    bool operator<= (const timespec& T) const
+    {
+        return !(*this > T);
+    }
+
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+    log_time operator-= (const timespec& T);
+    log_time operator- (const timespec& T) const
+    {
+        log_time local(*this);
+        return local -= T;
+    }
+    log_time operator+= (const timespec& T);
+    log_time operator+ (const timespec& T) const
+    {
+        log_time local(*this);
+        return local += T;
+    }
+#endif
+
+    /* log_time */
+    bool operator== (const log_time& T) const
+    {
+        return (tv_sec == T.tv_sec) && (tv_nsec == T.tv_nsec);
+    }
+    bool operator!= (const log_time& T) const
+    {
+        return !(*this == T);
+    }
+    bool operator< (const log_time& T) const
+    {
+        return (tv_sec < T.tv_sec)
+            || ((tv_sec == T.tv_sec) && (tv_nsec < T.tv_nsec));
+    }
+    bool operator>= (const log_time& T) const
+    {
+        return !(*this < T);
+    }
+    bool operator> (const log_time& T) const
+    {
+        return (tv_sec > T.tv_sec)
+            || ((tv_sec == T.tv_sec) && (tv_nsec > T.tv_nsec));
+    }
+    bool operator<= (const log_time& T) const
+    {
+        return !(*this > T);
+    }
+
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+    log_time operator-= (const log_time& T);
+    log_time operator- (const log_time& T) const
+    {
+        log_time local(*this);
+        return local -= T;
+    }
+    log_time operator+= (const log_time& T);
+    log_time operator+ (const log_time& T) const
+    {
+        log_time local(*this);
+        return local += T;
+    }
+#endif
+
+    uint64_t nsec() const
+    {
+        return static_cast<uint64_t>(tv_sec) * NS_PER_SEC + tv_nsec;
+    }
+
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+    static const char default_format[];
+
+    /* Add %#q for the fraction of a second to the standard library functions */
+    char* strptime(const char* s, const char* format = default_format);
+#endif
+} __attribute__((__packed__));
+
+#else
+
+typedef struct log_time {
+    uint32_t tv_sec;
+    uint32_t tv_nsec;
+} __attribute__((__packed__)) log_time;
+
+#endif
+
+#endif
+
+#endif /* _LIBS_LOG_LOG_TIME_H */
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index 7bbf86d..8450675 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -58,7 +58,8 @@
     liblog_test.cpp \
     log_id_test.cpp \
     log_radio_test.cpp \
-    log_system_test.cpp
+    log_system_test.cpp \
+    log_time_test.cpp
 
 # to prevent breaking the build if bionic not relatively visible to us
 ifneq ($(wildcard $(LOCAL_PATH)/../../../../bionic/libc/bionic/libc_logging.cpp),)
diff --git a/liblog/tests/log_time_test.cpp b/liblog/tests/log_time_test.cpp
new file mode 100644
index 0000000..f2601b6
--- /dev/null
+++ b/liblog/tests/log_time_test.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#include <time.h>
+
+#include <gtest/gtest.h>
+// Test the APIs in this standalone include file
+#include <log/log_time.h>
+
+TEST(liblog, log_time) {
+#ifdef __ANDROID__
+
+#ifdef _SYSTEM_CORE_INCLUDE_PRIVATE_ANDROID_LOGGER_H_
+    log_time(CLOCK_MONOTONIC);
+
+    EXPECT_EQ(log_time, log_time::EPOCH);
+#endif
+
+    struct timespec ts;
+    clock_gettime(CLOCK_MONOTONIC, &ts);
+    log_time tl(ts);
+
+    EXPECT_EQ(tl, ts);
+    EXPECT_GE(tl, ts);
+    EXPECT_LE(tl, ts);
+
+#else
+    GTEST_LOG_(INFO) << "This test does nothing.\n";
+#endif
+}