Index: head/deskutils/elementary-calendar/Makefile
===================================================================
--- head/deskutils/elementary-calendar/Makefile
+++ head/deskutils/elementary-calendar/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	elementary-calendar
 DISTVERSION=	5.1.1
+PORTREVISION=	1
 CATEGORIES=	deskutils
 
 MAINTAINER=	nc@FreeBSD.org
Index: head/deskutils/elementary-calendar/files/patch-core_Services_Calendar_EventStore.vala
===================================================================
--- head/deskutils/elementary-calendar/files/patch-core_Services_Calendar_EventStore.vala
+++ head/deskutils/elementary-calendar/files/patch-core_Services_Calendar_EventStore.vala
@@ -1,20 +1,39 @@
 --- core/Services/Calendar/EventStore.vala.orig	2020-10-08 20:26:30 UTC
 +++ core/Services/Calendar/EventStore.vala
-@@ -303,7 +303,7 @@ public class Calendar.EventStore : Object {
-         // number we want, so we convert the pointer address to a uint to get
-         // the data. Since the pointer address is actually data, using it as a
-         // pointer will segfault.
+@@ -298,19 +298,10 @@ public class Calendar.EventStore : Object {
+      */
+     private GLib.DateWeekday get_week_start () {
+         // Set the "baseline" for start of week: Sunday or Monday?
+-        // HACK Dealing with NLTime is hacky and potentially prone to breaking.
+-        // This to_string call produces a string pointer whose address is the
+-        // number we want, so we convert the pointer address to a uint to get
+-        // the data. Since the pointer address is actually data, using it as a
+-        // pointer will segfault.
 -        uint week_day1 = (uint) Posix.NLTime.WEEK_1STDAY.to_string ();
-+        uint week_day1 = (uint) Posix.NLItem.DAY_1.to_string ();
-         var week_1stday = 0; // Default to 0 if unrecognized data
-         if (week_day1 == 19971130) { // Sunday
+-        var week_1stday = 0; // Default to 0 if unrecognized data
+-        if (week_day1 == 19971130) { // Sunday
++        string locale = GLib.Intl.setlocale(ALL, null);
++        var week_1stday = 1; // Default to Monday
++        if (locale.contains("CA") || locale.contains("MX") || locale.contains("US")) {
              week_1stday = 0;
-@@ -322,7 +322,7 @@ public class Calendar.EventStore : Object {
-         // Get the start of week
-         // HACK This line produces a string of 3 bytes. It takes the raw value
-         // of the first one and uses that as the value of week_start.
--        int week_start_posix = Posix.NLTime.FIRST_WEEKDAY.to_string ().data[0];
-+        int week_start_posix = Posix.NLItem.DAY_1.to_string ().data[0];
+-        } else if (week_day1 == 19971201) { // Monday
+-            week_1stday = 1;
+-        } else {
+-            warning ("Unknown value of _NL_TIME_WEEK_1STDAY: %u", week_day1);
+         }
+         /* The offset between GLib and local POSIX numbering.
+          * If week_1stday is Monday, data is correct for GLib: Monday=1 through Sunday=7,
+@@ -319,12 +310,7 @@ public class Calendar.EventStore : Object {
+          * subtracted by 1, then Sunday has to be handled separately to wrap to 7. */
+         var glib_offset = week_1stday - 1;
  
-         var week_start = week_start_posix + glib_offset;
+-        // Get the start of week
+-        // HACK This line produces a string of 3 bytes. It takes the raw value
+-        // of the first one and uses that as the value of week_start.
+-        int week_start_posix = Posix.NLTime.FIRST_WEEKDAY.to_string ().data[0];
+-
+-        var week_start = week_start_posix + glib_offset;
++        var week_start = glib_offset;
          if (week_start == 0) { // Sunday special case
+             week_start = 7;
+         }
Index: head/deskutils/elementary-calendar/files/patch-src_MainWindow.vala
===================================================================
--- head/deskutils/elementary-calendar/files/patch-src_MainWindow.vala
+++ head/deskutils/elementary-calendar/files/patch-src_MainWindow.vala
@@ -0,0 +1,14 @@
+--- src/MainWindow.vala.orig	2021-01-18 04:30:35 UTC
++++ src/MainWindow.vala
+@@ -51,8 +51,9 @@ public class Maya.MainWindow : Gtk.ApplicationWindow {
+     construct {
+         add_action_entries (ACTION_ENTRIES, this);
+ 
+-        foreach (var action in action_accelerators.get_keys ()) {
+-            ((Gtk.Application) GLib.Application.get_default ()).set_accels_for_action (ACTION_PREFIX + action, action_accelerators[action].to_array ());
++        var iter = action_accelerators.map_iterator ();
++        while (iter.next ()) {
++            ((Gtk.Application) GLib.Application.get_default ()).set_accels_for_action (ACTION_PREFIX + iter.get_key (), { iter.get_value () });
+         }
+ 
+         weak Gtk.IconTheme default_theme = Gtk.IconTheme.get_default ();