diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c b/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
index 380cb05c61..b69ff05b78 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_rtc.c
@@ -38,7 +38,7 @@ RT_WEAK void HAL_RTCEx_BKUPWrite(RTC_HandleTypeDef *hrtc, uint32_t BackupRegiste
     return;
 }
 
-static void get_rtc_timeval(struct timeval *tv)
+static rt_err_t stm32_rtc_get_timeval(struct timeval *tv)
 {
     RTC_TimeTypeDef RTC_TimeStruct = {0};
     RTC_DateTypeDef RTC_DateStruct = {0};
@@ -59,6 +59,8 @@ static void get_rtc_timeval(struct timeval *tv)
 #if defined(SOC_SERIES_STM32H7)
     tv->tv_usec = (255.0 - RTC_TimeStruct.SubSeconds * 1.0) / 256.0 * 1000.0 * 1000.0;
 #endif
+
+    return RT_EOK;
 }
 
 static rt_err_t set_rtc_time_stamp(time_t time_stamp)
@@ -244,36 +246,30 @@ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI1;
     return RT_EOK;
 }
 
-static rt_err_t stm32_rtc_get_secs(void *args)
+static rt_err_t stm32_rtc_get_secs(time_t *sec)
 {
     struct timeval tv;
-    get_rtc_timeval(&tv);
-    *(rt_uint32_t *) args = tv.tv_sec;
-    LOG_D("RTC: get rtc_time %x", *(rt_uint32_t *)args);
+
+    stm32_rtc_get_timeval(&tv);
+    *(time_t *) sec = tv.tv_sec;
+    LOG_D("RTC: get rtc_time %d", *sec);
 
     return RT_EOK;
 }
 
-static rt_err_t stm32_rtc_set_secs(void *args)
+static rt_err_t stm32_rtc_set_secs(time_t *sec)
 {
     rt_err_t result = RT_EOK;
 
-    if (set_rtc_time_stamp(*(rt_uint32_t *)args))
+    if (set_rtc_time_stamp(*sec))
     {
         result = -RT_ERROR;
     }
-    LOG_D("RTC: set rtc_time %x", *(rt_uint32_t *)args);
+    LOG_D("RTC: set rtc_time %d", *sec);
 
     return result;
 }
 
-static rt_err_t stm32_rtc_get_timeval(void *args)
-{
-    get_rtc_timeval((struct timeval *) args);
-
-    return RT_EOK;
-}
-
 static const struct rt_rtc_ops stm32_rtc_ops =
 {
     stm32_rtc_init,
diff --git a/components/drivers/rtc/rtc.c b/components/drivers/rtc/rtc.c
index 041bcde61e..c0406d9170 100644
--- a/components/drivers/rtc/rtc.c
+++ b/components/drivers/rtc/rtc.c
@@ -289,9 +289,9 @@ static void date(int argc, char **argv)
         gettimeofday(&tv, &tz);
         now = tv.tv_sec;
         /* output current time */
-        rt_kprintf("local: %.*s", 25, ctime(&now));
-        rt_kprintf("stamp: %ld\n", (long)tv.tv_sec);
-        rt_kprintf("tz: %c%d\n", -tz.tz_minuteswest > 0 ? '+' : '-', -tz.tz_minuteswest / 60);
+        rt_kprintf("local time: %.*s", 25, ctime(&now));
+        rt_kprintf("timestamps: %ld\n", (long)tv.tv_sec);
+        rt_kprintf("timezone: UTC%c%d\n", -tz.tz_minuteswest > 0 ? '+' : '-', -tz.tz_minuteswest / 60);
     }
     else if (argc >= 7)
     {
@@ -301,17 +301,17 @@ static void date(int argc, char **argv)
         rt_err_t err;
 
         tm_new.tm_year = atoi(argv[1]) - 1900;
-        tm_new.tm_mon = atoi(argv[2]);
+        tm_new.tm_mon = atoi(argv[2]) - 1; /* .tm_min's range is [0-11] */
         tm_new.tm_mday = atoi(argv[3]);
         tm_new.tm_hour = atoi(argv[4]);
         tm_new.tm_min = atoi(argv[5]);
         tm_new.tm_sec = atoi(argv[6]);
-        if (tm_new.tm_year > 199 || tm_new.tm_year < 100)
+        if (tm_new.tm_year <= 0)
         {
-            rt_kprintf("year is out of range [2000-2099]\n");
+            rt_kprintf("year is out of range [1900-]\n");
             return;
         }
-        if (tm_new.tm_mon == 0 || tm_new.tm_mon > 12)
+        if (tm_new.tm_mon > 11) /* .tm_min's range is [0-11] */
         {
             rt_kprintf("month is out of range [1-12]\n");
             return;
@@ -331,9 +331,9 @@ static void date(int argc, char **argv)
             rt_kprintf("minute is out of range [0-59]\n");
             return;
         }
-        if (tm_new.tm_sec > 59)
+        if (tm_new.tm_sec > 60)
         {
-            rt_kprintf("second is out of range [0-59]\n");
+            rt_kprintf("second is out of range [0-60]\n");
             return;
         }
         /* save old timestamp */
@@ -351,8 +351,7 @@ static void date(int argc, char **argv)
             rt_kprintf("set date failed. %d\n", err);
             return;
         }
-        /* get new timestamp */
-        get_timestamp(&now);
+        get_timestamp(&now); /* get new timestamp */
         rt_kprintf("old: %.*s", 25, ctime(&old));
         rt_kprintf("now: %.*s", 25, ctime(&now));
     }