diff --git a/README.md b/README.md
index 3bce0b0..67421da 100644
--- a/README.md
+++ b/README.md
@@ -38,18 +38,14 @@ Alternative: **Deploy from a branch** → `main` → `/` (root). Asset paths are
 - Daily average = worked ÷ working days (`—` if there are no working days).
 - Time format: results use `h:mm` with two-digit minutes. Input is two numeric fields (hours and minutes), so Android can use the number keypad.
 
-Holidays (2025, carried over from the former MAUI app):
+Holidays are year-specific (Mexican federal holidays plus Holy Thursday and Good Friday):
 
 ```
-2025-01-01
-2025-02-03
-2025-03-17
-2025-04-17
-2025-04-18
-2025-05-01
-2025-09-16
-2025-11-18
-2025-12-25
+2025-01-01  2025-02-03  2025-03-17  2025-04-17  2025-04-18
+2025-05-01  2025-09-16  2025-11-18  2025-12-25
+
+2026-01-01  2026-02-02  2026-03-16  2026-04-02  2026-04-03
+2026-05-01  2026-09-16  2026-11-16  2026-12-25
 ```
 
 Add more ISO dates (`YYYY-MM-DD`) to `HOLIDAYS` in `worktime.js`. Change hours per day with `HOURS_PER_DAY` in the same file.
diff --git a/index.html b/index.html
index a11b21d..3e6466e 100644
--- a/index.html
+++ b/index.html
@@ -83,8 +83,9 @@ <h1>Horas laborales</h1>
           </div>
         </dl>
         <p class="note">
-          Festivos 2025: 1 ene, 3 feb, 17 mar, 17–18 abr, 1 may, 16 sep, 18 nov,
-          25 dic. Edita la lista en <code>worktime.js</code>.
+          Festivos 2026: 1 ene, 2 feb, 16 mar, 2–3 abr, 1 may, 16 sep, 16 nov,
+          25 dic. También hay fechas de 2025. Edita la lista en
+          <code>worktime.js</code>.
         </p>
       </section>
 
diff --git a/worktime.js b/worktime.js
index c0d5e2b..64a5b01 100644
--- a/worktime.js
+++ b/worktime.js
@@ -7,7 +7,7 @@
 
   var HOURS_PER_DAY = 8;
 
-  // Full calendar dates from the MAUI holydays list (year included).
+  // Year-specific Mexican federal holidays plus Holy Thursday and Good Friday.
   var HOLIDAYS = [
     "2025-01-01",
     "2025-02-03",
@@ -18,6 +18,15 @@
     "2025-09-16",
     "2025-11-18",
     "2025-12-25",
+    "2026-01-01",
+    "2026-02-02",
+    "2026-03-16",
+    "2026-04-02",
+    "2026-04-03",
+    "2026-05-01",
+    "2026-09-16",
+    "2026-11-16",
+    "2026-12-25",
   ];
 
   function parseIsoDate(iso) {
diff --git a/worktime.test.js b/worktime.test.js
index 752c999..e0f271a 100644
--- a/worktime.test.js
+++ b/worktime.test.js
@@ -26,6 +26,38 @@ test("May 1 2025 (Thu holiday) is excluded", () => {
   assert.equal(W.countWorkingDays("2025-04-30", "2025-05-02"), 2);
 });
 
+test("Jan 1 2026 (Thu holiday) is 0 working days", () => {
+  assert.equal(W.countWorkingDays("2026-01-01", "2026-01-01"), 0);
+  assert.equal(W.formatHmm(W.expectedHours("2026-01-01", "2026-01-01")), "0:00");
+});
+
+test("Jan 1–7 2026 excludes New Year and the weekend (4 days / 32:00)", () => {
+  // 1=Thu holiday, 2 work, 3–4 weekend, 5–7 work
+  assert.equal(W.countWorkingDays("2026-01-01", "2026-01-07"), 4);
+  assert.equal(W.formatHmm(W.expectedHours("2026-01-01", "2026-01-07")), "32:00");
+});
+
+test("Feb 2 2026 (Mon holiday) is excluded", () => {
+  assert.equal(W.countWorkingDays("2026-02-02", "2026-02-02"), 0);
+  assert.equal(W.countWorkingDays("2026-02-02", "2026-02-03"), 1);
+});
+
+test("Mar 16 2026 (Mon holiday) is excluded", () => {
+  assert.equal(W.countWorkingDays("2026-03-16", "2026-03-16"), 0);
+});
+
+test("Apr 2–3 2026 (Holy Thursday and Good Friday) are excluded", () => {
+  assert.equal(W.countWorkingDays("2026-04-01", "2026-04-03"), 1);
+});
+
+test("May 1 2026 (Fri holiday) is excluded", () => {
+  assert.equal(W.countWorkingDays("2026-04-30", "2026-05-04"), 2);
+});
+
+test("Nov 16 2026 (Mon holiday) is excluded", () => {
+  assert.equal(W.countWorkingDays("2026-11-16", "2026-11-16"), 0);
+});
+
 test("start after end is invalid", () => {
   assert.equal(W.countWorkingDays("2025-02-01", "2025-01-01"), null);
   const r = W.calculate("2025-02-01", "2025-01-01", "8:00");