Damaskinos’s name day is December 4, the feast of John of Damascus.
Churches that follow the Old (Julian) Calendar keep the same feast on December 17 of the civil calendar. See everything commemorated on December 4.
The saint behind the name
John of Damascus
December 4, Venerable, Ιωάννης ο Δαμασκηνός
Venerable John was born in Damascus in the seventh century to a Christian family in the service of the caliph. Leaving the world, he became a monk of the Lavra of St. Sabas near Jerusalem, where he wrote his great works in defence of the holy icons and his summary of the Orthodox faith.
Name days: Damaskinos
What to say on a name day
The Greek wish is Χρόνια Πολλά (Chronia Polla), “many years.” A call or a short message on the day is what people remember. See name day wishes you can send and what a name day is.