On the 50th day after Easter, Orthodox believers celebrate Holy Trinity Day or Pentecost, TASS reports. Since the date of Easter is floating, the Trinity falls on different dates. In 2020, Holy Trinity Day is celebrated on June 7.
According to the New Testament, before the Ascension to the Kingdom of Heaven, Jesus Christ promised his apostles, that he would send them from His Father the Holy Spirit. On the 10th day after the Ascension of Christ (the 50th after the Resurrection), the apostles heard a noise, and the fire tongues appeared that rested on each of them. So the apostles were filled with the Holy Spirit and began to speak in different languages.
The Day of the Descent of the Holy Spirit is considered the day of the creation of the Christian church. In the Catholic Church, it is celebrated a week later and is associated with the glorification of the Holy Trinity. On the Trinity Day, one of the most solemn services is performed in Orthodox churches. Thus, the post-Easter period is over.
There is a custom at Trinity to decorate temples with branches and grass, which symbolize the renewal of people thanks to the Holy Spirit. On the eve of the Trinity Sunday, people usually recall the departed relatives and this was called “the parental day”. On the day after the Trinity is celebrated “the Spirits Day”, which is dedicated to the glorification of the Holy Spirit.