June 23-25, 2022 (Sacred Heart & Nativity of St. John the Baptist) #80
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Thank you very much for letting me know, I will fix that in near future. |
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At first I hesitated to believe that calendarium-romanum really generates two solemnities of the Sacred Heart for 2022, but unfortunately it's true. So here is the shameful result (formatted by calrom), ad perpetuam rei memoriam:
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refs #80 Solemnities are the only rank of celebrations guaranteed to be celebrated every year, but due to a bug in the transfer logic on some years one solemnity gets lost and another one scheduled twice (both on the original date and on the date to which it was ought to be transferred)
... and the Sanctorale solemnity is transferred. So far the behaviour in such cases was unspecified (not covered by specs) and in fact the Temporale solemnity was being selected for transfer, due to the way how Enumerable#sort_by behaves when comparing two equal values (it preserves the original order). The rule that in cases of colliding solemnities of equal rank the one provided by the Temporale cycle must win is not explicitly pronounced in the liturgical law, possibly because the liturgical law operates with a set of celebration ranks with higher granularity than calendarium-romanum (cf. GNLYC 59). But the rule is in accord with general architecture of the reformed Roman liturgical calendar (cf. GNLYC 50 a; SC 108) and results of it's application mostly (if not always) match those that would be produced if calendarium-romanum used a rank system allocating a separate rank for every single subitem mentioned in the Table of Liturgical Days. Introduction of this rule also accidentally fixes the duplication and loss of conflicting solemnities of equal rank (#80), but the fix is not reliable, as it only works well for the current combination of Transfers logic and celebration picking logic in Calendar#celebrations_for.
The default implementation of solemnity transfers (now) works well only due to a combination of compatible logic in Transfers and Calendar#celebrations_for, both preferring temporale solemnities over sanctorale ones if both meet on the same date with the same rank. But if this consent between Calendar and Transfers is broken, it stops working and the solemnity loss and duplication bug (#80) is back.
This makes the transfer logic completely encapsulated in Transfers and celebration precedence logic in Calendar#celebrations_for doesn't interfere with it anymore. This is the ultimate fix to the solemnity loss and duplication bug (#80).
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The bug is fixed now. When temporale and sanctorale solemnity of exactly the same rank met on the same date, |
This seems to be a small ad hoc exception from the general rules. Usually transfer is being made to the day following if available (and a special rule doesn't state otherwise) and Saturday 2022-06-25 certainly is available as transfer destination. Some sort of support for this should really be added to calendarium-romanum, but so far I'm inclined to think that it should be rather a general facility allowing to change a celebration's date for a specified year rather than a change to the solemnity transfer logic. A list of officially announced non-standard celebration dates will be packaged in the gem and it will be possible to build custom lists, should similar exceptions be introduced on national or diocesan level. |
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The very same solemnity occurrence will take place in 2033 and 2044, later 2057 and 2068 with Sts. Peter and Paul. It seems that the ad hoc solution took care to leave unharmed the memorial of Immaculate Heart of Mary. If that assumption is correct, we can expect that the same solution (in case of occurrence of Sacred Heart with another solemnity transfer that solemnity to the day before) will be repeated also for the future cases, or even formally defined as a new calendar rule. |
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It may be useful to note explicitly that the bit
goes against the Table of Liturgical Days, which always gives precedence to solemnities of the General Roman Calendar over proper solemnities, as important they may be. |
June 24, 2022 presents an interesting case. It is a rare coincidence of the Nativity of St. John the Baptist and the Feast of the Sacred Heart. It says here that the Holy See has determined that on June 24, 2022 the Sacred Heart should be celebrated, and the Nativity of St. John the Baptist on the 23rd, unless St. John the Baptist is the patron of the diocese, nation, city, or religious community, in which case it is the feast of the Sacred Heart that gets moved to the 23rd.
However, even apart from this interesting instruction, the current behavior is wrong, in that it is giving the Feast of the Sacred Heart on both Friday, June 24, 2022 and Saturday, June 25, 2022.
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