Copyright Daniel Hutmacher under Creative Commons 4.0 license with attribution.
WHAT: Returns a list of years, with western and orthodox Easter sundays for each year.
DISCLAIMER: This script may not be suitable to run in a production environment. I cannot assume any responsibility regarding the accuracy of the output information, performance impacts on your server, or any other consequence. If your juristiction does not allow for this kind of waiver/disclaimer, or if you do not accept these terms, you are NOT allowed to store, distribute or use this code in any way.
@from: Starting date @to: Ending date