function getOrthodoxEaster($date)
{
/*
Takes any Gregorian date and returns the Gregorian
date of Orthodox Easter for that year.
*/
$year = date("Y", $date);
$r1 = $year % 19;
$r2 = $year % 4;
$r3 = $year % 7;
$ra = 19 * $r1 + 16;
$r4 = $ra % 30;
$rb = 2 * $r2 + 4 * $r3 + 6 * $r4;
$r5 = $rb % 7;
$rc = $r4 + $r5;
//Orthodox Easter for this year will fall $rc days after April 3
return strtotime("3 April $year + $rc days");
}
?>
Mass of the day.
Preface of Ascension or of Easter "...in this time."
Cycle I
[302] Acts 28:16-20, 30-31;Ps 11:4, 5+7; John 21:20-25.
Hours of the day.
red
St John I, pope and martyr
Optional
(Common of Martyrs, or Common of Pastors: For a Pope Readings from the Common of Saints: [565] Rev 3:14b, 20-22 (#738.2); Ps 23:1-3a, 4, 5, 6 (#721.2); Luke 22:24-30 (#724.9).)
In the evening:
red
Vigil of Pentecost
Solemnity
Mass of the Vigil; Gloria, sequence, creed, Preface of Pentecost, special Communicantes in Eucharistic Prayer I. Double alleluia at the dismissal
[62] Gen 11:1-9 or Exod 19:3-8a, 16-20b or Ezek 37:1-14 or Joel 3:1-5; Ps 104:1-2, 24+35, 27-28, 29b-30; John 7:37-39.
For pastoral reasons, the texts of the day Mass may also be used.