Index: uspace/drv/time/cmos-rtc/cmos-rtc.c
===================================================================
--- uspace/drv/time/cmos-rtc/cmos-rtc.c	(revision db8d552797f51d00e6639cce5266a4c06c61ce56)
+++ uspace/drv/time/cmos-rtc/cmos-rtc.c	(revision cca5c8dc746e51c1fbfd20dfaddfc070c12dccaa)
@@ -296,4 +296,7 @@
 	}
 
+	/* Count the months starting from 0, not from 1 */
+	t->tm_mon--;
+
 	fibril_mutex_unlock(&rtc->mutex);
 	return EOK;