diff --git a/quazip/quazip_qt_compat.h b/quazip/quazip_qt_compat.h
index a72dcea..0dde011 100644
--- a/quazip/quazip_qt_compat.h
+++ b/quazip/quazip_qt_compat.h
@@ -103,16 +103,36 @@ inline QString quazip_symlink_target(const QFileInfo &fi) {
 }
 #endif
 
+// deprecation
+#if QT_VERSION >= QT_VERSION_CHECK(6, 8, 0)
+#include <QtCore/QTimeZone>
+inline QDateTime quazip_since_epoch() {
+    return QDateTime(QDate(1970, 1, 1), QTime(0, 0), QTimeZone::utc());
+}
+
+inline QDateTime quazip_since_epoch_ntfs() {
+    return QDateTime(QDate(1601, 1, 1), QTime(0, 0), QTimeZone::utc());
+}
+#else
+inline QDateTime quazip_since_epoch() {
+    return QDateTime(QDate(1970, 1, 1), QTime(0, 0), Qt::UTC);
+}
+
+inline QDateTime quazip_since_epoch_ntfs() {
+    return QDateTime(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC);
+}
+#endif
+
 // this is not a deprecation but an improvement, for a change
 #include <QtCore/QDateTime>
 #if (QT_VERSION >= 0x040700)
 inline quint64 quazip_ntfs_ticks(const QDateTime &time, int fineTicks) {
-    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC);
+    QDateTime base = quazip_since_epoch_ntfs();
     return base.msecsTo(time) * 10000 + fineTicks;
 }
 #else
 inline quint64 quazip_ntfs_ticks(const QDateTime &time, int fineTicks) {
-    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC);
+    QDateTime base = quazip_since_epoch_ntfs();
     QDateTime utc = time.toUTC();
     return (static_cast<qint64>(base.date().daysTo(utc.date()))
             * Q_INT64_C(86400000)
diff --git a/quazip/quazipfileinfo.cpp b/quazip/quazipfileinfo.cpp
index c27ba37..f182f74 100644
--- a/quazip/quazipfileinfo.cpp
+++ b/quazip/quazipfileinfo.cpp
@@ -24,6 +24,8 @@ see quazip/(un)zip.h files for details. Basically it's the zlib license.
 
 #include "quazipfileinfo.h"
 
+#include "quazip_qt_compat.h"
+
 #include <QtCore/QDataStream>
 
 static QFile::Permissions permissionsFromExternalAttr(quint32 externalAttr) {
@@ -123,7 +125,7 @@ static QDateTime getNTFSTime(const QByteArray &extra, int position,
     timeReader >> time;
     if (time == 0)
         return dateTime;
-    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC);
+    QDateTime base = quazip_since_epoch_ntfs();
     dateTime = base.addMSecs(time / 10000);
     if (fineTicks != nullptr) {
         *fineTicks = static_cast<int>(time % 10000);
@@ -167,7 +169,7 @@ QDateTime QuaZipFileInfo64::getExtTime(const QByteArray &extra, int flag)
         qint32 time;
         input >> time;
         if (nextFlag == flag) {
-            QDateTime base(QDate(1970, 1, 1), QTime(0, 0), Qt::UTC);
+            QDateTime base = quazip_since_epoch();
             dateTime = base.addSecs(time);
             return dateTime;
         }
diff --git a/qztest/testquazipfileinfo.cpp b/qztest/testquazipfileinfo.cpp
index be174a1..7470167 100644
--- a/qztest/testquazipfileinfo.cpp
+++ b/qztest/testquazipfileinfo.cpp
@@ -36,7 +36,7 @@ void TestQuaZipFileInfo::getNTFSTime()
     if (!createTestFiles(testFiles)) {
         QFAIL("Can't create test file");
     }
-    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC);
+    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), QTimeZone::utc());
     quint64 mTicks, aTicks, cTicks;
     QFileInfo fileInfo("tmp/test.txt");
     {
@@ -149,25 +149,25 @@ void TestQuaZipFileInfo::getExtTime_data()
                               << (QList<qint32>() << 1 << 2 << 3)
                               << static_cast<quint16>(5)
                               << (QList<qint32>() << 1)
-                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 1), Qt::UTC)
-                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 2), Qt::UTC)
-                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 3), Qt::UTC);
+                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 1), QTimeZone::utc())
+                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 2), QTimeZone::utc())
+                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 3), QTimeZone::utc());
     QTest::newRow("no ac time") << QString::fromUtf8("noAcTime")
                               << static_cast<quint8>(5)
                               << static_cast<quint16>(9)
                               << (QList<qint32>() << 1 << 3)
                               << static_cast<quint16>(5)
                               << (QList<qint32>() << 1)
-                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 1), Qt::UTC)
+                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 1), QTimeZone::utc())
                               << QDateTime()
-                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 3), Qt::UTC);
+                              << QDateTime(QDate(1970, 1, 1), QTime(0, 0, 3), QTimeZone::utc());
     QTest::newRow("negativeTime") << QString::fromUtf8("negativeTime")
                               << static_cast<quint8>(1)
                               << static_cast<quint16>(5)
                               << (QList<qint32>() << -1)
                               << static_cast<quint16>(5)
                               << (QList<qint32>() << -1)
-                              << QDateTime(QDate(1969, 12, 31), QTime(23, 59, 59), Qt::UTC)
+                              << QDateTime(QDate(1969, 12, 31), QTime(23, 59, 59), QTimeZone::utc())
                               << QDateTime()
                               << QDateTime();
 }
@@ -254,7 +254,7 @@ void TestQuaZipFileInfo::getExtTime_issue43()
     QDateTime actualLocalAcTime = zipFile.getExtAcTime();
     QDateTime actualLocalCrTime = zipFile.getExtCrTime();
     zip.close();
-    QDateTime extModTime(QDate(2019, 7, 2), QTime(15, 43, 47), Qt::UTC);
+    QDateTime extModTime(QDate(2019, 7, 2), QTime(15, 43, 47), QTimeZone::utc());
     QDateTime extAcTime = extModTime;
     QDateTime extCrTime = extModTime;
     QCOMPARE(actualGlobalModTime, extModTime);
diff --git a/qztest/testquazipnewinfo.cpp b/qztest/testquazipnewinfo.cpp
index 98f1e37..ec5cd75 100644
--- a/qztest/testquazipnewinfo.cpp
+++ b/qztest/testquazipnewinfo.cpp
@@ -25,7 +25,7 @@ void TestQuaZipNewInfo::setFileNTFSTimes()
     if (!createTestFiles(testFiles)) {
         QFAIL("Can't create test file");
     }
-    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), Qt::UTC);
+    QDateTime base(QDate(1601, 1, 1), QTime(0, 0), QTimeZone::utc());
     quint64 mTicks, aTicks, cTicks;
     {
         // create