According to Wikipedia, St. Patrick’s Day originally celebrated the priest who returned to Ireland in 432 AD to bring Christianity to his homeland. Ireland had been a polytheistic culture.
One way Patrick introduced them to Christ was by using the 3 leaved shamrock to describe the Christian doctrine of the Trinity. He made a difference by communicating in cultural and relevant ways.
In Acts 17:23, Paul did likewise. We read, “For as I walked around and looked carefully at your objects of worship, I even found an altar with this inscription: to an unknown god. Now what you worship as something unknown I am going to proclaim to you.”
If you desire to impact those in your workplace, consider using illustrations and examples relevant to your culture and workplace.