On his website David Hobson follows the Calendar in use prior to the legitimate revision of Pope Pius XII as evidenced here.
Mon, April 28th, 2008 A.D. St. Paul of the Cross, Confessor (Double) Rogation Monday
Tues, April 29th, 2008 A.D. St. Peter of Verona, Martyr (Double) Rogation Tuesday
Wed, April 30th, 2008 A.D. St. Catherine of Siena, Virgin (Double) Rogation Wednesday
Holy Day of Obligation Thur, May 1st, 2008 A.D. The Ascension of Our Lord
(Double of I Class with privileged Octave of the Third Order) Pope Pius XII eliminated this Octave
Today Fri, May 2nd, 2008 A.D. Ss Philip and James, Apostles (Double of II class)
Commemoration of St. Athanasius, Bishop Confessor Doctor
This should be Saint Athanasius without a commemoration.
Sat, May 3rd, 2008 A.D. Invention [Finding] of the Holy Cross (Double of II Class)
Mon, April 21st, 2008 A.D. St Anselm, BCD (Double Common)
Tues, April 22nd, 2008 A.D. Ss Soter and Caius, Pp, Mm (Semidouble) This should be a simple, as Pope Pius XII reduced all semi-doubles to simples
Wed, April 23rd, 2008 A.D. St George, M (Semidouble) This should be a simple, as Pope Pius XII reduced all semi-doubles to simples
Thur, April 24th, 2008 A.D. St Fidelis of Sigmaringen, M (Double)
Fri, April 25th, 2008 A.D. St Mark the Evangelist (Double of II Class)
Sat, April 26th, 2008 A.D. Ss Cletus and Marcellinus, Pp, Mm (Semidouble) This should be Our Lady on Saturday commoration of Saints Cletus and Marcellinus.
Hobson Rejects the Laws of Pope Pius XXI and therefore rejects Pope Pius XII. This rejection implies a rejection of Siri's appointment as Cardinal, and therfore places his election as Pope in doubt as well
