3 files changed, 6 insertions, 9 deletions
diff --git a/components/dfs/filesystems/elmfat/dfs_elm.c b/components/dfs/filesystems/elmfat/dfs_elm.c
index 82d04ae0cc..5f69b069bf 100644
--- a/components/dfs/filesystems/elmfat/dfs_elm.c
+++ b/components/dfs/filesystems/elmfat/dfs_elm.c
@@ -21,7 +21,7 @@
 #include "ffconf.h"
 #include "ff.h"
 #include <string.h>
-#include <time.h>
+#include <sys/time.h>
 
 /* ELM FatFs provide a DIR struct */
 #define HAVE_DIR_STRUCTURE
@@ -800,7 +800,7 @@ int dfs_elm_stat(struct dfs_filesystem *fs, const char *path, struct stat *st)
             tm_file.tm_min  = min;         /* Minutes: 0-59 */
             tm_file.tm_sec  = sec;         /* Seconds: 0-59 */
 
-            st->st_mtime = mktime(&tm_file);
+            st->st_mtime = timegm(&tm_file);
         } /* get st_mtime. */
     }
 
diff --git a/components/drivers/rtc/alarm.c b/components/drivers/rtc/alarm.c
index ea1b150e7a..d8e4e468a7 100644
--- a/components/drivers/rtc/alarm.c
+++ b/components/drivers/rtc/alarm.c
@@ -13,10 +13,7 @@
 
 #include <rtthread.h>
 #include <rtdevice.h>
-
-#ifndef _WIN32
 #include <sys/time.h>
-#endif
 
 #define RT_RTC_YEARS_MAX         137
 #ifdef RT_USING_SOFT_RTC
@@ -98,8 +95,8 @@ static void alarm_wakeup(struct rt_alarm *alarm, struct tm *now)
         {
         case RT_ALARM_ONESHOT:
         {
-            sec_alarm = mktime(&alarm->wktime);
-            sec_now = mktime(now);
+            sec_alarm = timegm(&alarm->wktime);
+            sec_now = timegm(now);
             if (((sec_now - sec_alarm) <= RT_ALARM_DELAY) && (sec_now >= sec_alarm))
             {
                 /* stop alarm */
diff --git a/components/drivers/rtc/soft_rtc.c b/components/drivers/rtc/soft_rtc.c
index 6a04314675..240301f683 100644
--- a/components/drivers/rtc/soft_rtc.c
+++ b/components/drivers/rtc/soft_rtc.c
@@ -8,7 +8,7 @@
  * 2018-01-30     armink       the first version
  */
 
-#include <time.h>
+#include <sys/time.h>
 #include <string.h>
 #include <rtthread.h>
 #include <rtdevice.h>
@@ -126,7 +126,7 @@ int rt_soft_rtc_init(void)
 #endif
 
     init_tick = rt_tick_get();
-    init_time = mktime(&time_new);
+    init_time = timegm(&time_new);
 
     soft_rtc_dev.type    = RT_Device_Class_RTC;