diff --git a/scwx-qt/source/scwx/qt/config/radar_site.cpp b/scwx-qt/source/scwx/qt/config/radar_site.cpp
index 27b678f8..e06f91e0 100644
--- a/scwx-qt/source/scwx/qt/config/radar_site.cpp
+++ b/scwx-qt/source/scwx/qt/config/radar_site.cpp
@@ -10,7 +10,7 @@
 
 #include <boost/json.hpp>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/scwx-qt/source/scwx/qt/main/main_window.cpp b/scwx-qt/source/scwx/qt/main/main_window.cpp
index d511241a..b242b41b 100644
--- a/scwx-qt/source/scwx/qt/main/main_window.cpp
+++ b/scwx-qt/source/scwx/qt/main/main_window.cpp
@@ -52,7 +52,7 @@
 #include <QTimer>
 #include <QToolButton>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/scwx-qt/source/scwx/qt/map/overlay_layer.cpp b/scwx-qt/source/scwx/qt/map/overlay_layer.cpp
index b2fada95..95e8fc62 100644
--- a/scwx-qt/source/scwx/qt/map/overlay_layer.cpp
+++ b/scwx-qt/source/scwx/qt/map/overlay_layer.cpp
@@ -22,7 +22,7 @@
 #include <QGuiApplication>
 #include <QMouseEvent>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/scwx-qt/source/scwx/qt/view/level3_product_view.cpp b/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
index 551d04e4..83a8210f 100644
--- a/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
+++ b/scwx-qt/source/scwx/qt/view/level3_product_view.cpp
@@ -17,7 +17,7 @@
 #include <boost/timer/timer.hpp>
 #include <fmt/format.h>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/awips/coded_time_motion_location.cpp b/wxdata/source/scwx/awips/coded_time_motion_location.cpp
index ebf8cdf7..ebe162f1 100644
--- a/wxdata/source/scwx/awips/coded_time_motion_location.cpp
+++ b/wxdata/source/scwx/awips/coded_time_motion_location.cpp
@@ -13,7 +13,7 @@
 
 #include <sstream>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/awips/pvtec.cpp b/wxdata/source/scwx/awips/pvtec.cpp
index 8152500e..485fecb8 100644
--- a/wxdata/source/scwx/awips/pvtec.cpp
+++ b/wxdata/source/scwx/awips/pvtec.cpp
@@ -17,7 +17,7 @@
 #include <boost/bimap.hpp>
 #include <boost/bimap/unordered_set_of.hpp>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/gr/placefile.cpp b/wxdata/source/scwx/gr/placefile.cpp
index 87167189..529f5f9b 100644
--- a/wxdata/source/scwx/gr/placefile.cpp
+++ b/wxdata/source/scwx/gr/placefile.cpp
@@ -20,7 +20,7 @@
 
 #include <boost/algorithm/string.hpp>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/network/dir_list.cpp b/wxdata/source/scwx/network/dir_list.cpp
index 24a61c6e..5134cb57 100644
--- a/wxdata/source/scwx/network/dir_list.cpp
+++ b/wxdata/source/scwx/network/dir_list.cpp
@@ -11,7 +11,7 @@
 #include <cpr/cpr.h>
 #include <libxml/HTMLparser.h>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/provider/aws_level2_data_provider.cpp b/wxdata/source/scwx/provider/aws_level2_data_provider.cpp
index ed83a590..4538dc53 100644
--- a/wxdata/source/scwx/provider/aws_level2_data_provider.cpp
+++ b/wxdata/source/scwx/provider/aws_level2_data_provider.cpp
@@ -5,7 +5,7 @@
 #include <fmt/chrono.h>
 #include <fmt/format.h>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/provider/aws_level3_data_provider.cpp b/wxdata/source/scwx/provider/aws_level3_data_provider.cpp
index 7d159703..2e020886 100644
--- a/wxdata/source/scwx/provider/aws_level3_data_provider.cpp
+++ b/wxdata/source/scwx/provider/aws_level3_data_provider.cpp
@@ -12,7 +12,7 @@
 #include <fmt/chrono.h>
 #include <fmt/format.h>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/provider/warnings_provider.cpp b/wxdata/source/scwx/provider/warnings_provider.cpp
index 3c030189..1b8b109f 100644
--- a/wxdata/source/scwx/provider/warnings_provider.cpp
+++ b/wxdata/source/scwx/provider/warnings_provider.cpp
@@ -14,7 +14,7 @@
 #include <libxml/HTMLparser.h>
 #include <re2/re2.h>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif
 
diff --git a/wxdata/source/scwx/util/time.cpp b/wxdata/source/scwx/util/time.cpp
index ea664e2e..665f2f1a 100644
--- a/wxdata/source/scwx/util/time.cpp
+++ b/wxdata/source/scwx/util/time.cpp
@@ -17,7 +17,7 @@
 
 #include <boost/algorithm/string.hpp>
 
-#if !defined(_MSC_VER)
+#if !(defined(_MSC_VER) || defined(__clange__))
 #   include <date/date.h>
 #endif