diff -r edbd87949204 -r 4ec04c6f1551 main/task_tft.c
--- a/main/task_tft.c	Fri May 17 15:43:31 2019 +0200
+++ b/main/task_tft.c	Sat May 18 11:34:51 2019 +0200
@@ -510,17 +510,12 @@
 	}
 
 	/*
-	 * Timekeeping. In the WiFi task sntp is started if there
-	 * is a valid internet connection.
+	 * Timekeeping.
+	 * In the WiFi task sntp is started and sets System_TimeOk if the
+	 * clock is synced once.
 	 */
 	time(&now);
 	localtime_r(&now, &timeinfo);
-	// Is time set? If not, tm_year will be (1970 - 1900).
-	if ((timeinfo.tm_year > (2016 - 1900)) && (! System_TimeOk)) {
-	    System_TimeOk = true;
-	    strftime(strftime_buf, sizeof(strftime_buf), "%c", &timeinfo);
-	    ESP_LOGI(TAG, "System time is set: %s", strftime_buf);
-	}
 
 	if (Old_Screen != Main_Screen) {