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Diffstat (limited to 'internal/calendar/temporal_ef.go')
| -rw-r--r-- | internal/calendar/temporal_ef.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/internal/calendar/temporal_ef.go b/internal/calendar/temporal_ef.go index 7d31b8b..a043179 100644 --- a/internal/calendar/temporal_ef.go +++ b/internal/calendar/temporal_ef.go @@ -276,6 +276,31 @@ func temporalEF(date time.Time) temporalDay { // Unique ferial slug (season-week-weekday) so proper ferias (Lent, Advent, // Holy Week, Ember days) can key their own readings; green-season ferias // simply have no lectionary entry and fall back to the Sunday. + // RG 87: "Litaniae minores seu Rogationes, per se, assignantur feriis II, + // III et IV ante festum Ascensionis Domini" -- the Minor Litanies are + // assigned to the Monday, Tuesday and Wednesday before the Ascension. + // Easter+36 and +37 are that Monday and Tuesday; their colour is violet, + // RG 128(d) giving violet "for the procession and Mass of the Greater and + // Lesser Litanies", a penitential note inside white Paschaltide. + // + // The WEDNESDAY is deliberately absent. Easter+38 is by construction the + // Vigil of the Ascension, which is II class and wins the day outright, so + // there is no Rogation OFFICE to build there -- what the rubric asks for on + // that day is a commemoration, and that needs a channel this function does + // not have (it returns one office per day). colitur reaches it through a + // movable-date entry in its own sanctoral overlay; here it stays unbuilt + // rather than half-built, which is why this comment says so. + // + // The rank is left as the feria's: these are IV-class days per annum and + // any III-class saint displaces them, which is what makes the office rare + // -- in 2026 all three are impeded and none appears at all. + if rog := daysBetween(easter, date); rog == 36 || rog == 37 { + slug := "ef-rogation-monday" + if rog == 37 { + slug = "ef-rogation-tuesday" + } + return efCel(season, slug, Violet, rank, week) + } // RG 78 (Caput IX, "De sancta Maria in sabbato"): "In sabbatis, in quibus // occurrit Officium de feria IV classis, fit de sancta Maria in sabbato." // On a Saturday whose office would otherwise be a IV-class feria, the |