Onam Festival 2024 Date In Delhi. This festival occurs on the shravana asterism, which is the day of thiruvonam. In 2024, onam festivities will begin on september 6 and run until september 17, with the grand day of thiruvonam falling on sunday, september 15.

It began on september 6 2024 and will culminate on september 15,. However, the ritual is related to the onam festival this year starting on 6th september.