Request for correction of 2019 Environmental Calendar

We printed about 4,000 copies of the 2019 J.E.E. Environmental Calendar. Many have been sold - it is very popular!
Some 2019 public holidays are different from the past (sorry, we did not know this before printing), so please mark the following four holidays with a red circle:

April 30th, May 1st, May 2nd, October 22nd