as seen this morning, Mon-Third* does not always work. Mon-2 works for now...
calendar.uk: victoria day is obscure enough in scotland that i don;t think it
warrants worth an entry
/*
* Canada holiday
*
- * $OpenBSD: calendar.canada,v 1.2 2013/03/16 07:52:29 jmc Exp $
+ * $OpenBSD: calendar.canada,v 1.3 2023/05/15 16:22:07 jmc Exp $
*/
#ifndef _calendar_canada_
Easter+1 Easter Monday
05/SunSecond Mother's Day (2nd Sunday of May)
/* Holds up to and including 2015 */
-05/MonThird* Victoria Day (Monday on or immediately before May 24)
+05/Mon-2 Victoria Day (Monday on or immediately before May 24)
06/SunThird Father's Day (3rd Sunday of June)
06/21* Summer Solstice
06/24 St-Jean Baptiste
/*
* United Kingdom (UK) calendar
*
- * $OpenBSD: calendar.uk,v 1.2 2018/11/21 14:50:28 jmc Exp $
+ * $OpenBSD: calendar.uk,v 1.3 2023/05/15 16:22:07 jmc Exp $
*/
#ifndef _calendar_uk_
Easter-2 Good Friday (bank holiday)
Easter+1 Easter Monday (bank holiday - except Scotland)
05/MonFirst Early May bank holiday
-05/MonThird* Victoria Day in Scotland (Monday on or immediately before 24th May)
05/MonLast Spring Bank Holiday
06/SunThird Father's Day (3rd Sunday of June)
06/21* Summer Solstice