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diff --git a/src/Runtime/Source/foundation/macos/Qt3DSUnixTime.cpp b/src/Runtime/Source/foundation/macos/Qt3DSUnixTime.cpp
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+++ b/src/Runtime/Source/foundation/macos/Qt3DSUnixTime.cpp
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** Copyright (C) 2001-2004 NovodeX AG.
+** Copyright (C) 2004-2008 AGEIA Technologies, Inc.
+** Copyright (C) 2008-2013 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "foundation/Qt3DS.h"
+#include "foundation/Qt3DSTime.h"
+
+#include <time.h>
+#include <sys/time.h>
+
+#if defined QT3DS_APPLE
+#include <mach/mach_time.h>
+#endif
+
+// Use real-time high-precision timer.
+#ifndef QT3DS_APPLE
+#define CLOCKID CLOCK_REALTIME
+#endif
+
+namespace qt3ds {
+namespace foundation {
+
+    const CounterFrequencyToTensOfNanos Time::sCounterFreq = Time::getCounterFrequency();
+
+    static Time::Second getTimeSeconds()
+    {
+        static struct timeval _tv;
+        gettimeofday(&_tv, NULL);
+        return double(_tv.tv_sec) + double(_tv.tv_usec) * 0.000001;
+    }
+
+    Time::Time() { mLastTime = getTimeSeconds(); }
+
+    Time::Second Time::getElapsedSeconds()
+    {
+        Time::Second curTime = getTimeSeconds();
+        Time::Second diff = curTime - mLastTime;
+        mLastTime = curTime;
+        return diff;
+    }
+
+    Time::Second Time::peekElapsedSeconds()
+    {
+        Time::Second curTime = getTimeSeconds();
+        Time::Second diff = curTime - mLastTime;
+        return diff;
+    }
+
+    Time::Second Time::getLastTime() const { return mLastTime; }
+
+#ifdef QT3DS_APPLE
+    CounterFrequencyToTensOfNanos Time::getCounterFrequency()
+    {
+        mach_timebase_info_data_t info;
+        mach_timebase_info(&info);
+        // mach_absolute_time * (info.numer/info.denom) is in units of nano seconds
+        return CounterFrequencyToTensOfNanos(info.numer, info.denom * 10);
+    }
+
+    QT3DSU64 Time::getCurrentCounterValue() { return mach_absolute_time(); }
+
+#else
+
+    CounterFrequencyToTensOfNanos Time::getCounterFrequency()
+    {
+        return CounterFrequencyToTensOfNanos(1, 10);
+    }
+
+    PxU64 Time::getCurrentCounterValue()
+    {
+        struct timespec mCurrTimeInt;
+        clock_gettime(CLOCKID, &mCurrTimeInt);
+        // Convert to nanos as this doesn't cause a large divide here
+        return (static_cast<PxU64>(mCurrTimeInt.tv_sec) * 1000000000)
+            + (static_cast<PxU64>(mCurrTimeInt.tv_nsec));
+    }
+#endif
+
+} // namespace foundation
+} // namespace qt3ds