some new features

.venv/lib/python3.12/site-packages/holidays/countries/denmark.py

@@ -0,0 +1,93 @@
+#  holidays
+#  --------
+#  A fast, efficient Python library for generating country, province and state
+#  specific sets of holidays on the fly. It aims to make determining whether a
+#  specific date is a holiday as fast and flexible as possible.
+#
+#  Authors: Vacanza Team and individual contributors (see CONTRIBUTORS file)
+#           dr-prodigy <dr.prodigy.github@gmail.com> (c) 2017-2023
+#           ryanss <ryanssdev@icloud.com> (c) 2014-2017
+#  Website: https://github.com/vacanza/holidays
+#  License: MIT (see LICENSE file)
+
+from gettext import gettext as tr
+
+from holidays.constants import OPTIONAL, PUBLIC
+from holidays.groups import ChristianHolidays, InternationalHolidays
+from holidays.holiday_base import HolidayBase
+
+
+class Denmark(HolidayBase, ChristianHolidays, InternationalHolidays):
+    """Denmark holidays.
+
+    References:
+        * <https://en.wikipedia.org/wiki/Public_holidays_in_Denmark>
+        * <https://web.archive.org/web/20250422010005/https://www.norden.org/en/info-norden/public-holidays-denmark>
+        * <https://web.archive.org/web/20231219155820/http://www.ft.dk/samling/20222/lovforslag/l13/index.htm>
+    """
+
+    country = "DK"
+    default_language = "da"
+    supported_categories = (OPTIONAL, PUBLIC)
+    supported_languages = ("da", "en_US", "uk")
+
+    def __init__(self, *args, **kwargs):
+        ChristianHolidays.__init__(self)
+        InternationalHolidays.__init__(self)
+        super().__init__(*args, **kwargs)
+
+    def _populate_public_holidays(self):
+        # New Year's Day.
+        self._add_new_years_day(tr("Nytårsdag"))
+
+        # Maundy Thursday.
+        self._add_holy_thursday(tr("Skærtorsdag"))
+
+        # Good Friday.
+        self._add_good_friday(tr("Langfredag"))
+
+        # Easter Sunday.
+        self._add_easter_sunday(tr("Påskedag"))
+
+        # Easter Monday.
+        self._add_easter_monday(tr("Anden påskedag"))
+
+        if self._year <= 2023:
+            # Great Day of Prayers.
+            self._add_holiday_26_days_past_easter(tr("Store bededag"))
+
+        # Ascension Day.
+        self._add_ascension_thursday(tr("Kristi himmelfartsdag"))
+
+        # Whit Sunday.
+        self._add_whit_sunday(tr("Pinsedag"))
+
+        # Whit Monday.
+        self._add_whit_monday(tr("Anden pinsedag"))
+
+        # Christmas Day.
+        self._add_christmas_day(tr("Juledag"))
+
+        # Second Day of Christmas.
+        self._add_christmas_day_two(tr("Anden juledag"))
+
+    def _populate_optional_holidays(self):
+        # Workers' Day.
+        self._add_labor_day(tr("Arbejdernes kampdag"))
+
+        # Constitution Day.
+        self._add_holiday_jun_5(tr("Grundlovsdag"))
+
+        # Christmas Eve.
+        self._add_christmas_eve(tr("Juleaftensdag"))
+
+        # New Year's Eve.
+        self._add_new_years_eve(tr("Nytårsaften"))
+
+
+class DK(Denmark):
+    pass
+
+
+class DNK(Denmark):
+    pass