From 951b787dec16ca6d7564deb3783c13ddc8056907 Mon Sep 17 00:00:00 2001
From: "Michael J. Radwin" <michael@radwin.org>
Date: Wed, 15 Jan 2025 07:52:18 -0800
Subject: [PATCH] Sigd moves to Thursday if it would fall on Shabbat (fix #518)

---
 src/staticHolidays.ts           | 1 +
 test/getHolidaysForYear.spec.js | 9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/staticHolidays.ts b/src/staticHolidays.ts
index bb46213..202ca46 100644
--- a/src/staticHolidays.ts
+++ b/src/staticHolidays.ts
@@ -640,6 +640,7 @@ export const staticModernHolidays: ModernHoliday[] = [
     desc: SIGD,
     chul: true,
     suppressEmoji: true,
+    friSatMovetoThu: true,
   },
   {firstYear: 5777, mm: Nisan, dd: 10, desc: YOM_HAALIYAH, chul: true},
   {firstYear: 5777, mm: Cheshvan, dd: 7, desc: YOM_HAALIYAH_SCHOOL_OBSERVANCE},
diff --git a/test/getHolidaysForYear.spec.js b/test/getHolidaysForYear.spec.js
index 67a4319..ebd0090 100644
--- a/test/getHolidaysForYear.spec.js
+++ b/test/getHolidaysForYear.spec.js
@@ -32,8 +32,8 @@ test('getHolidaysForYearArray-5771-diaspora', () => {
     {date: '2010-10-01', desc: 'Simchat Torah'},
     {date: '2010-10-08', desc: 'Rosh Chodesh Cheshvan'},
     {date: '2010-10-09', desc: 'Rosh Chodesh Cheshvan'},
+    {date: '2010-11-04', desc: 'Sigd'},
     {date: '2010-11-04', desc: 'Yom Kippur Katan Kislev'},
-    {date: '2010-11-06', desc: 'Sigd'},
     {date: '2010-11-07', desc: 'Rosh Chodesh Kislev'},
     {date: '2010-11-08', desc: 'Rosh Chodesh Kislev'},
     {date: '2010-12-01', desc: 'Chanukah: 1 Candle'},
@@ -278,3 +278,10 @@ test('getHolidaysForYear-throw', () => {
     getHolidaysForYear_(-1);
   }).toThrow('Hebrew year -1 out of range 1-32658');
 });
+
+test('Sigd Shabbat moves to Thursday', () => {
+  const events = getHolidaysForYearArray(5785, true);
+  const ev = events.find((ev) => ev.getDesc() === 'Sigd');
+  const date = isoDateString(ev.getDate().greg());
+  expect(date).toBe('2024-11-28');
+});