Update Taiwan holidays (#2026)

Co-authored-by: Arkadii Yakovets <[email protected]>
vacanza · Oct 1, 2024 · e36887a · e36887a
1 parent ba4ed6f
commit e36887a
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Showing 3 changed files with 73 additions and 20 deletions.
diff --git a/holidays/countries/taiwan.py b/holidays/countries/taiwan.py
@@ -14,7 +14,24 @@
 from gettext import gettext as tr
 from typing import Set
 
-from holidays.calendars.gregorian import JAN, FEB, MAR, APR, MAY, JUN, SEP, OCT, DEC
+from holidays.calendars.gregorian import (
+    JAN,
+    FEB,
+    MAR,
+    APR,
+    MAY,
+    JUN,
+    SEP,
+    OCT,
+    DEC,
+    MON,
+    TUE,
+    WED,
+    THU,
+    FRI,
+    SAT,
+    SUN,
+)
 from holidays.groups import ChineseCalendarHolidays, InternationalHolidays, StaticHolidays
 from holidays.observed_holiday_base import (
     ObservedHolidayBase,
@@ -24,12 +41,14 @@
     SAT_SUN_TO_NEXT_WORKDAY,
 )
 
+CHILDRENS_DAY_RULE = ObservedRule({MON: +1, TUE: -1, WED: -1, THU: +1, FRI: -1, SAT: -1, SUN: -2})
+
 
 class Taiwan(ObservedHolidayBase, ChineseCalendarHolidays, InternationalHolidays, StaticHolidays):
     """
     References:
         - https://en.wikipedia.org/wiki/Public_holidays_in_Taiwan
-        - https://www.officeholidays.com/countries/taiwan
+        - `2025 <https://www.dgpa.gov.tw/en/information?uid=353&pid=11979>`_
         - `2024 <https://www.dgpa.gov.tw/en/information?uid=353&pid=11402>`_
         - `2023 <https://www.dgpa.gov.tw/en/information?uid=353&pid=11016>`_
         - `2022 <https://www.dgpa.gov.tw/en/information?uid=353&pid=10659>`_
@@ -65,9 +84,17 @@ def _populate_observed(
     ) -> None:
         if self._year < since:
             return None
+
+        childrens_day = self.tr("兒童節")
         for dt in sorted(dts):
-            for name in self.get_list(dt):
-                self._add_observed(dt, name, rule)
+            names = self.get_list(dt)
+            for name in names:
+                self._add_observed(
+                    dt,
+                    name,
+                    # Children's Day falls on the same day as Tomb Sweeping Day.
+                    CHILDRENS_DAY_RULE if name == childrens_day and len(names) > 1 else rule,
+                )
 
     def _populate_public_holidays(self):
         if self._year <= 1911:
@@ -97,9 +124,7 @@ def _populate_public_holidays(self):
 
         if 1990 <= self._year <= 1999 or self._year >= 2011:
             # Children's Day.
-            apr_4 = self._add_holiday_apr_4(tr("兒童節"))
-            if self._year != 2021:
-                dts_observed.add(apr_4)
+            dts_observed.add(self._add_holiday_apr_4(tr("兒童節")))
 
         if self._year >= 1972:
             # Tomb Sweeping Day.
@@ -185,12 +210,9 @@ class TaiwanStaticHolidays:
             (OCT, 9, SEP, 23),
         ),
         2024: (FEB, 8, FEB, 17),
+        2025: (JAN, 27, FEB, 8),
     }
 
     special_public_holidays_observed = {
         2013: (APR, 5, childrens_day),
-        2016: (APR, 5, childrens_day),
-        2017: (APR, 3, childrens_day),
-        2021: (APR, 2, childrens_day),
-        2024: (APR, 5, childrens_day),
     }
diff --git a/snapshots/countries/TW_COMMON.json b/snapshots/countries/TW_COMMON.json
@@ -716,8 +716,7 @@
     "2021-03-01": "Peace Memorial Day (observed)",
     "2021-04-02": "Children's Day (observed)",
     "2021-04-04": "Children's Day; Tomb Sweeping Day",
-    "2021-04-05": "Children's Day (observed)",
-    "2021-04-06": "Tomb Sweeping Day (observed)",
+    "2021-04-05": "Tomb Sweeping Day (observed)",
     "2021-06-14": "Dragon Boat Festival",
     "2021-09-20": "Day off (substituted from 09/11/2021)",
     "2021-09-21": "Mid-Autumn Festival",
@@ -772,11 +771,13 @@
     "2024-09-17": "Mid-Autumn Festival",
     "2024-10-10": "National Day",
     "2025-01-01": "Founding Day of the Republic of China",
+    "2025-01-27": "Day off (substituted from 02/08/2025)",
     "2025-01-28": "Chinese New Year's Eve",
     "2025-01-29": "Chinese New Year",
     "2025-01-30": "Chinese New Year",
     "2025-01-31": "Chinese New Year",
     "2025-02-28": "Peace Memorial Day",
+    "2025-04-03": "Children's Day (observed)",
     "2025-04-04": "Children's Day; Tomb Sweeping Day",
     "2025-05-30": "Dragon Boat Festival (observed)",
     "2025-05-31": "Dragon Boat Festival",
@@ -820,6 +821,7 @@
     "2028-01-27": "Chinese New Year",
     "2028-01-28": "Chinese New Year",
     "2028-02-28": "Peace Memorial Day",
+    "2028-04-03": "Children's Day (observed)",
     "2028-04-04": "Children's Day; Tomb Sweeping Day",
     "2028-05-28": "Dragon Boat Festival",
     "2028-05-29": "Dragon Boat Festival (observed)",
@@ -831,6 +833,7 @@
     "2029-02-14": "Chinese New Year",
     "2029-02-15": "Chinese New Year",
     "2029-02-28": "Peace Memorial Day",
+    "2029-04-03": "Children's Day (observed)",
     "2029-04-04": "Children's Day; Tomb Sweeping Day",
     "2029-06-15": "Dragon Boat Festival (observed)",
     "2029-06-16": "Dragon Boat Festival",
@@ -870,9 +873,9 @@
     "2032-02-13": "Chinese New Year",
     "2032-02-27": "Peace Memorial Day (observed)",
     "2032-02-28": "Peace Memorial Day",
+    "2032-04-02": "Children's Day (observed)",
     "2032-04-04": "Children's Day; Tomb Sweeping Day",
-    "2032-04-05": "Children's Day (observed)",
-    "2032-04-06": "Tomb Sweeping Day (observed)",
+    "2032-04-05": "Tomb Sweeping Day (observed)",
     "2032-06-11": "Dragon Boat Festival (observed)",
     "2032-06-12": "Dragon Boat Festival",
     "2032-09-19": "Mid-Autumn Festival",
@@ -888,6 +891,7 @@
     "2033-02-03": "Chinese New Year's Eve (observed)",
     "2033-02-28": "Peace Memorial Day",
     "2033-04-04": "Children's Day; Tomb Sweeping Day",
+    "2033-04-05": "Children's Day (observed)",
     "2033-06-01": "Dragon Boat Festival",
     "2033-09-08": "Mid-Autumn Festival",
     "2033-10-10": "National Day",
@@ -926,6 +930,7 @@
     "2036-01-30": "Chinese New Year",
     "2036-01-31": "Chinese New Year's Eve (observed)",
     "2036-02-28": "Peace Memorial Day",
+    "2036-04-03": "Children's Day (observed)",
     "2036-04-04": "Children's Day; Tomb Sweeping Day",
     "2036-05-30": "Dragon Boat Festival",
     "2036-10-03": "Mid-Autumn Festival (observed)",
@@ -985,6 +990,7 @@
     "2040-02-15": "Chinese New Year's Eve (observed)",
     "2040-02-16": "Chinese New Year (observed)",
     "2040-02-28": "Peace Memorial Day",
+    "2040-04-03": "Children's Day (observed)",
     "2040-04-04": "Children's Day; Tomb Sweeping Day",
     "2040-06-14": "Dragon Boat Festival",
     "2040-09-20": "Mid-Autumn Festival",
@@ -998,6 +1004,7 @@
     "2041-02-05": "Chinese New Year (observed)",
     "2041-02-28": "Peace Memorial Day",
     "2041-04-04": "Children's Day; Tomb Sweeping Day",
+    "2041-04-05": "Children's Day (observed)",
     "2041-06-03": "Dragon Boat Festival",
     "2041-09-10": "Mid-Autumn Festival",
     "2041-10-10": "National Day",
@@ -1040,6 +1047,7 @@
     "2044-02-28": "Peace Memorial Day",
     "2044-02-29": "Peace Memorial Day (observed)",
     "2044-04-04": "Children's Day; Tomb Sweeping Day",
+    "2044-04-05": "Children's Day (observed)",
     "2044-05-31": "Dragon Boat Festival",
     "2044-10-05": "Mid-Autumn Festival",
     "2044-10-10": "National Day",
@@ -1052,6 +1060,7 @@
     "2045-02-20": "Chinese New Year (observed)",
     "2045-02-21": "Chinese New Year (observed)",
     "2045-02-28": "Peace Memorial Day",
+    "2045-04-03": "Children's Day (observed)",
     "2045-04-04": "Children's Day; Tomb Sweeping Day",
     "2045-06-19": "Dragon Boat Festival",
     "2045-09-25": "Mid-Autumn Festival",
@@ -1103,9 +1112,9 @@
     "2049-02-04": "Chinese New Year",
     "2049-02-28": "Peace Memorial Day",
     "2049-03-01": "Peace Memorial Day (observed)",
+    "2049-04-02": "Children's Day (observed)",
     "2049-04-04": "Children's Day; Tomb Sweeping Day",
-    "2049-04-05": "Children's Day (observed)",
-    "2049-04-06": "Tomb Sweeping Day (observed)",
+    "2049-04-05": "Tomb Sweeping Day (observed)",
     "2049-06-04": "Dragon Boat Festival",
     "2049-09-10": "Mid-Autumn Festival (observed)",
     "2049-09-11": "Mid-Autumn Festival",

diff --git a/tests/countries/test_taiwan.py b/tests/countries/test_taiwan.py
@@ -146,9 +146,14 @@ def test_childrens_day(self):
         self.assertNoHolidayName(name, Taiwan(years=1989))
 
         obs_dt = (
+            "2013-04-05",
             "2015-04-03",
+            "2016-04-05",
+            "2017-04-03",
             "2020-04-03",
-            "2021-04-05",
+            "2021-04-02",
+            "2024-04-05",
+            "2025-04-03",
         )
         self.assertHolidayName(f"{name}（慶祝）", obs_dt)
         self.assertNoNonObservedHoliday(obs_dt)
@@ -176,7 +181,7 @@ def test_tomb_sweeping_day(self):
         obs_dt = (
             "2015-04-06",
             "2020-04-02",
-            "2021-04-06",
+            "2021-04-05",
         )
         self.assertHolidayName(f"{name}（慶祝）", obs_dt)
         self.assertNoNonObservedHoliday(obs_dt)
@@ -482,7 +487,6 @@ def test_2021(self):
             "2021-04-02",
             "2021-04-04",
             "2021-04-05",
-            "2021-04-06",
             "2021-06-14",
             "2021-09-20",
             "2021-09-21",
@@ -553,6 +557,24 @@ def test_2024(self):
             ("2024-10-10", "中華民國國慶日"),
         )
 
+    def test_2025(self):
+        self.assertHolidays(
+            Taiwan(years=2025),
+            ("2025-01-01", "中華民國開國紀念日"),
+            ("2025-01-27", "休息日（2025-02-08日起取代）"),
+            ("2025-01-28", "農曆除夕"),
+            ("2025-01-29", "春節"),
+            ("2025-01-30", "春節"),
+            ("2025-01-31", "春節"),
+            ("2025-02-28", "和平紀念日"),
+            ("2025-04-03", "兒童節（慶祝）"),
+            ("2025-04-04", "兒童節; 清明節"),
+            ("2025-05-30", "端午節（慶祝）"),
+            ("2025-05-31", "端午節"),
+            ("2025-10-06", "中秋節"),
+            ("2025-10-10", "中華民國國慶日"),
+        )
+
     def test_l10n_default(self):
         self.assertLocalizedHolidays(
             ("2022-01-01", "中華民國開國紀念日"),