diff --git a/nx/include/switch/services/time.h b/nx/include/switch/services/time.h
index 6e97c828..d2b3b895 100644
--- a/nx/include/switch/services/time.h
+++ b/nx/include/switch/services/time.h
@@ -9,6 +9,15 @@
 #include "../types.h"
 #include "../sf/service.h"
 
+/// Values for __nx_time_service_type.
+typedef enum {
+    TimeServiceType_User           = 0, ///< Default. Initializes time:u.
+    TimeServiceType_Menu           = 1, ///< Initializes time:a
+    TimeServiceType_System         = 2, ///< Initializes time:s.
+    TimeServiceType_Repair         = 3, ///< Initializes time:r. Only available with [9.0.0+].
+    TimeServiceType_SystemUser     = 4, ///< Initializes time:su. Only available with [9.0.0+].
+} TimeServiceType;
+
 /// Time clock type.
 typedef enum {
     TimeType_UserSystemClock,
diff --git a/nx/source/services/time.c b/nx/source/services/time.c
index b1acdc31..0e8f29ac 100644
--- a/nx/source/services/time.c
+++ b/nx/source/services/time.c
@@ -1,6 +1,9 @@
 #define NX_SERVICE_ASSUME_NON_DOMAIN
 #include "service_guard.h"
 #include "services/time.h"
+#include "runtime/hosversion.h"
+
+__attribute__((weak)) TimeServiceType __nx_time_service_type = TimeServiceType_User;
 
 static Service g_timeSrv;
 static Service g_timeUserSystemClock;
@@ -13,11 +16,30 @@ static Result _timeCmdGetSession(Service* srv, Service* srv_out, u32 cmd_id);
 NX_GENERATE_SERVICE_GUARD(time);
 
 Result _timeInitialize(void) {
-    Result rc=0;
-
-    rc = smGetService(&g_timeSrv, "time:s");
-    if (R_FAILED(rc))
-        rc = smGetService(&g_timeSrv, "time:u");
+    Result rc = MAKERESULT(Module_Libnx, LibnxError_BadInput);
+    switch (__nx_time_service_type) {
+        case TimeServiceType_User:
+            rc = smGetService(&g_timeSrv, "time:u");
+            break;
+        case TimeServiceType_Menu:
+            rc = smGetService(&g_timeSrv, "time:a");
+            break;
+        case TimeServiceType_System:
+            rc = smGetService(&g_timeSrv, "time:s");
+            break;
+        case TimeServiceType_Repair:
+            if (hosversionBefore(9,0,0))
+                return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+            else
+                rc = smGetService(&g_timeSrv, "time:r");
+            break;
+        case TimeServiceType_SystemUser:
+            if (hosversionBefore(9,0,0))
+                return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+            else
+                rc = smGetService(&g_timeSrv, "time:su");
+            break;
+    }
 
     if (R_FAILED(rc))
         return rc;