Early Easter -- early date for Pentecost -- how will this range over next five years?

For 2016 -- Easter fell on March 27, Pentecost therefore falls on May 15;

For 2017 - the date for Protestants for Easter will be April 16 and Pentecost will be June 4;

For 2018 - April 1 (Easter) and May 20 (Pentecost);

For 2019 - April 21 (Easter) and June 9 (Pentecost);

For 2020 - April 12 (Easter) and May 31 (Pentecost).