diff --git a/core/src/main/grammar/crontab.g b/core/src/main/grammar/crontab.g
index a972058d36a83bbfcdee4f17946cf51f02f68567..5dd7c69f1c6cf7c2d7a05d407dd1468e37e3c3a7 100644
--- a/core/src/main/grammar/crontab.g
+++ b/core/src/main/grammar/crontab.g
@@ -20,6 +20,34 @@ throws ANTLRException
     table.bits[3]=mnth;
     table.dayOfWeek=(int)dow;
   }
+  | "@yearly"
+  {
+    table.set("0 0 1 1 *");
+  }
+  | "@annually"
+  {
+    table.set("0 0 1 1 *");
+  }
+  | "@monthly"
+  {
+    table.set("0 0 1 * *");
+  }
+  | "@weekly"
+  {
+    table.set("0 0 * * 0");
+  }
+  | "@daily"
+  {
+    table.set("0 0 * * *");
+  }
+  | "@midnight"
+  {
+    table.set("0 0 * * *");
+  }
+  | "@hourly"
+  {
+    table.set("0 * * * *");
+  }
   ;
 
 expr [int field]
diff --git a/core/src/main/java/hudson/scheduler/CronTab.java b/core/src/main/java/hudson/scheduler/CronTab.java
index 3ddd1edb78803955cd2615aac54f351f76b38a74..6eee0da5868264dd21ba7f871734c66c563f8cc7 100644
--- a/core/src/main/java/hudson/scheduler/CronTab.java
+++ b/core/src/main/java/hudson/scheduler/CronTab.java
@@ -28,6 +28,10 @@ public final class CronTab {
     }
 
     public CronTab(String format, int line) throws ANTLRException {
+        set(format, line);
+    }
+
+    private void set(String format, int line) throws ANTLRException {
         CrontabLexer lexer = new CrontabLexer(new StringReader(format));
         lexer.setLine(line);
         CrontabParser parser = new CrontabParser(lexer);
@@ -56,6 +60,10 @@ public final class CronTab {
         return true;
     }
 
+    void set(String format) throws ANTLRException {
+        set(format,1);
+    }
+
     /**
      * Returns true if n-th bit is on.
      */