diff --git a/src/os/src/darwin/dwSysInfo.c b/src/os/src/darwin/dwSysInfo.c
index 10e0acc1309d80154a42b6cc948a8afb7a04b668..f8cd61c7ef80e612ff439b8f696edffc15b3bd56 100644
--- a/src/os/src/darwin/dwSysInfo.c
+++ b/src/os/src/darwin/dwSysInfo.c
@@ -65,6 +65,8 @@ static void taosGetSystemTimezone() {
   struct tm tm1;
   localtime_r(&tx1, &tm1);
 
+  tsDaylight = daylight;
+
   /*
    * format example:
    *
diff --git a/src/os/src/detail/osSysinfo.c b/src/os/src/detail/osSysinfo.c
index 04b1efe7bf78d57a8806960995b0e34ff79e3abb..8f39459f2ebf95146d6d90c78a4b648e7b2332f3 100644
--- a/src/os/src/detail/osSysinfo.c
+++ b/src/os/src/detail/osSysinfo.c
@@ -213,6 +213,8 @@ static void taosGetSystemTimezone() {
   int32_t tz = (-timezone * MILLISECOND_PER_SECOND) / MILLISECOND_PER_HOUR;
   tz += daylight;
 
+  tsDaylight = daylight;
+
   /*
    * format example:
    *
diff --git a/src/os/src/windows/wSysinfo.c b/src/os/src/windows/wSysinfo.c
index 72793a1049506fed0fce2d1a04c576097fec9fba..6100101207749cc44f0488ca89d0ae04ca0ee7a2 100644
--- a/src/os/src/windows/wSysinfo.c
+++ b/src/os/src/windows/wSysinfo.c
@@ -91,6 +91,17 @@ static void taosGetSystemTimezone() {
       strcpy(tsTimezone, tz);
     }
     cfg_timezone->cfgStatus = TAOS_CFG_CSTATUS_DEFAULT;
+
+#ifdef _MSC_VER
+#if _MSC_VER >= 1900
+    int64_t timezone = _timezone;
+    int32_t daylight = _daylight;
+    char **tzname = _tzname;
+#endif
+#endif
+
+    tsDaylight = daylight;
+
     uInfo("timezone not configured, use default");
   }
 }