4 files changed, 6 insertions, 6 deletions
diff --git a/src/corelib/tools/qdatetimeparser.cpp b/src/corelib/tools/qdatetimeparser.cpp
index dd277f7753..15a2e58e1b 100644
--- a/src/corelib/tools/qdatetimeparser.cpp
+++ b/src/corelib/tools/qdatetimeparser.cpp
@@ -1455,8 +1455,8 @@ QDateTimeParser::parse(QString input, int position, const QDateTime &defaultValu
         } else {
             if (context == FromString) {
                 // optimization
-                Q_ASSERT(maximum.date().toJulianDay() == 4642999);
-                if (scan.value.date().toJulianDay() > 4642999)
+                Q_ASSERT(maximum.date().toJulianDay() == 5373484);
+                if (scan.value.date().toJulianDay() > 5373484)
                     scan.state = Invalid;
             } else {
                 if (scan.value > maximum)
diff --git a/src/corelib/tools/qdatetimeparser_p.h b/src/corelib/tools/qdatetimeparser_p.h
index 75497f5c5a..c4afef0193 100644
--- a/src/corelib/tools/qdatetimeparser_p.h
+++ b/src/corelib/tools/qdatetimeparser_p.h
@@ -69,7 +69,7 @@ QT_REQUIRE_CONFIG(datetimeparser);
 #define QDATETIMEEDIT_TIME_MAX QTime(23, 59, 59, 999)
 #define QDATETIMEEDIT_DATE_MIN QDate(100, 1, 1)
 #define QDATETIMEEDIT_COMPAT_DATE_MIN QDate(1752, 9, 14)
-#define QDATETIMEEDIT_DATE_MAX QDate(7999, 12, 31)
+#define QDATETIMEEDIT_DATE_MAX QDate(9999, 12, 31)
 #define QDATETIMEEDIT_DATETIME_MIN QDateTime(QDATETIMEEDIT_DATE_MIN, QDATETIMEEDIT_TIME_MIN)
 #define QDATETIMEEDIT_COMPAT_DATETIME_MIN QDateTime(QDATETIMEEDIT_COMPAT_DATE_MIN, QDATETIMEEDIT_TIME_MIN)
 #define QDATETIMEEDIT_DATETIME_MAX QDateTime(QDATETIMEEDIT_DATE_MAX, QDATETIMEEDIT_TIME_MAX)
diff --git a/src/widgets/widgets/qcalendarwidget.cpp b/src/widgets/widgets/qcalendarwidget.cpp
index d496d86906..71ad2cf093 100644
--- a/src/widgets/widgets/qcalendarwidget.cpp
+++ b/src/widgets/widgets/qcalendarwidget.cpp
@@ -982,7 +982,7 @@ QCalendarModel::QCalendarModel(QObject *parent)
       m_firstRow(1),
       m_date(QDate::currentDate()),
       m_minimumDate(QDate::fromJulianDay(1)),
-      m_maximumDate(7999, 12, 31),
+      m_maximumDate(9999, 12, 31),
       m_shownYear(m_date.year()),
       m_shownMonth(m_date.month()),
       m_firstDay(QLocale().firstDayOfWeek()),
diff --git a/src/widgets/widgets/qdatetimeedit.cpp b/src/widgets/widgets/qdatetimeedit.cpp
index b6ec6b4065..6d3e44d21e 100644
--- a/src/widgets/widgets/qdatetimeedit.cpp
+++ b/src/widgets/widgets/qdatetimeedit.cpp
@@ -363,7 +363,7 @@ void QDateTimeEdit::setMinimumDateTime(const QDateTime &dt)
   clearMaximumDateTime().
 
   By default, this property contains a date that refers to 31 December,
-  7999 and a time of 23:59:59 and 999 milliseconds.
+  9999 and a time of 23:59:59 and 999 milliseconds.
 
   \sa minimumDateTime(), minimumTime(), maximumTime(), minimumDate(),
   maximumDate(), setDateTimeRange(), setDateRange(), setTimeRange(),
@@ -466,7 +466,7 @@ void QDateTimeEdit::clearMinimumDate()
   necessary to ensure that the range remains valid. If the date is
   not a valid QDate object, this function does nothing.
 
-  By default, this property contains a date that refers to December 31, 7999.
+  By default, this property contains a date that refers to December 31, 9999.
 
   \sa minimumDate, minimumTime, maximumTime, setDateRange()
 */