Monochrome lithograph cover illustration for Sic Transit Gloria Mundi

Sic Transit Gloria Mundi

Tools for the traditional Roman calendar and the Divine Office.

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Data Chronologica
Littera Dominicalis — Aureus Numerus — Epacta — Indictio Romana — Cyclus Solaris — Littera Martyrologii — Anni ab Epochis A Creatione Orbis — A Diluvio — A Nativitate Abrahae — Ab Egressu Israel (Moyse) — Ab Unctione David — Ab Urbe Condita — A Nativitate D.N.J.C. —
Opera
  1. I Calculus Temporum Romanorum

    The reckoning of the year: Littera Dominicalis, Golden Number, Epact, Indiction and Solar Cycle, computed by the Gregorian computus — the foundation the other works build upon.
  2. II Regula Sancti Benedicti

    The daily portion of the Holy Rule of St Benedict, read through thrice yearly after the ancient monastic custom.
  3. III Noveritis

    The Epiphany Proclamation of the Moveable Feasts, generated in Gregorian chant for any year, with .gabc and PDF in hand.
  4. IV Horarium

    A dial showing which Hour of the Divine Office is kept now, reckoned from true sunrise and sunset after the Rule of St Benedict.
  5. V Custom DA Ordo Generator (DEFUNCT)

    A perpetual ordo generator for the Roman Rite in the Divino Afflatu calendar, drawing rank and rubric together into a single day's Ordo Recitandi customisable to a parish setting.
  6. VI Tridentine Ordo (Leo XIII Rubrics)

    An ordo of the Roman Rite following the pre Pius X reforms for this current year, using the Leo XIII reforms as its basis.
  7. VII Tridentine Ordo (pre-Leo XIII rubrics)

    An ordo of the Roman Rite following the pre-Leo XIII rubrics for this current year.
  8. VIII Monastic Ordo (pre-Leo XIII Rubrics)

    A monastic ordo of the Roman Rite following the pre-Leo XIII rubrics.
  9. IX Ordo Comparison

    A side-by-side comparison of the ordos above for a given day.