Ramadan Mubarak 2021: WhatsApp messages, quotes, wishes to send to your loved ones Muslims celebrate the start of Ramadan by greeting each other with "Ramadan Mubarak" and "Ramadan Kareem". Share Updated: Apr 13, 2021, 06:38 AM IST The Islamic holy month of Ramadan or Ramzan is all set to begin from Tuesday, April 13 while Taraweeh began on April 12 after Isha prayers. Muslims celebrate the start of Ramadan by greeting each other with "Ramadan Mubarak" and "Ramadan Kareem", which means 'a blessed and generous month to you'. Very much like last year, this time too, the festivities will be a bit different due to the COVID-19 pandemic. People are advised to stay inside and have to avoid stepping outside until utmost emergency during the holy month due to the virus.