Hot Stories Local Poson Poya is today By admin Posted on June 5, 2020 46 second read 0 0 Share on Facebook Share on Twitter Share on Google+ Share on Reddit Share on Pinterest Share on Linkedin Share on Tumblr Poson-festival Poson-festival Poson full moon day falls today (05). Poson is celebrated to commemorate the introduction of Buddhism to Sri Lanka by Mahinda Thero in 236 BC. This year is the 2328th Poson Poya day. The government says it will commemorate the Poson Poya this year in honor of the health guidelines that have been imposed with the Corona expansion. Meanwhile, the State Poson Festival will be held today at the Mihintale sacred area.