diff --git a/src/os/src/detail/osTime.c b/src/os/src/detail/osTime.c
index fb8c2a5ae6e469545e3f1439fb1cc02fdb234e51..e25178f2d552cc2bbfaf16834a070a97496fa6fd 100644
--- a/src/os/src/detail/osTime.c
+++ b/src/os/src/detail/osTime.c
@@ -336,7 +336,10 @@ int32_t parseLocaltime(char* timestr, int64_t* time, int32_t timePrec, char deli
   }
 
   if (str == NULL) {
-    return -1;
+    //if parse failed, try "%Y-%m-%d" format
+    if (!strptime(timestr, "%Y-%m-%d", &tm)) {
+      return -1;
+    }
   }
 
 #ifdef _MSC_VER
@@ -378,7 +381,10 @@ int32_t parseLocaltimeWithDst(char* timestr, int64_t* time, int32_t timePrec, ch
   }
 
   if (str == NULL) {
-    return -1;
+    //if parse failed, try "%Y-%m-%d" format
+    if (!strptime(timestr, "%Y-%m-%d", &tm)) {
+      return -1;
+    }
   }
 
   /* mktime will be affected by TZ, set by using taos_options */