Baad As Salaam Il Jameel
All mumineen shoild take eid na takbira from Fajr Namaz tomorrow (9th Zilhaj) to Asr Namaz on 13th Zilhaj. If someone forgets to take the takbira, then you should recite the takbira when you remember.
Also, on Eid day all mumineen are urged to bring fakhir raqam for Silat-ul-Imam and Daizaman na Najwa.