From 612b4218244fcdbc314d10e2544b754c6529ed0b Mon Sep 17 00:00:00 2001
From: ybai08 <271969568+ybai08@users.noreply.github.com>
Date: Sat, 17 Oct 2026 20:20:01 -0500
Subject: [PATCH] fix(en): accept a dot after the day number in little-endian
 dates

"5. March 2019" lost its day and "23. October" became 1 October at
23:00, because the little-endian pattern did not allow the dot that
often follows the day number. Allow an optional dot after the day and
after the end day of a range.

Fixes #283
---
 .../parsers/ENMonthNameLittleEndianParser.ts  |  4 +-
 test/en/en_month_name_little_endian.test.ts   | 45 +++++++++++++++++++
 2 files changed, 47 insertions(+), 2 deletions(-)

diff --git a/src/locales/en/parsers/ENMonthNameLittleEndianParser.ts b/src/locales/en/parsers/ENMonthNameLittleEndianParser.ts
index 259d557b..9b73e6cf 100644
--- a/src/locales/en/parsers/ENMonthNameLittleEndianParser.ts
+++ b/src/locales/en/parsers/ENMonthNameLittleEndianParser.ts
@@ -10,10 +10,10 @@ import { AbstractParserWithWordBoundaryChecking } from "../../../common/parsers/
 // prettier-ignore
 const PATTERN = new RegExp(
     `(?:on\\s{0,3})?` +
-        `(${ORDINAL_NUMBER_PATTERN})` +
+        `(${ORDINAL_NUMBER_PATTERN})\\.?` +
         `(?:` +
             `\\s{0,3}(?:to|\\-|\\–|until|through|till)\\s{0,3}` +
-            `(${ORDINAL_NUMBER_PATTERN})` +
+            `(${ORDINAL_NUMBER_PATTERN})\\.?` +
         ")?" +
         `(?:-|/|\\s{0,3}(?:of)?\\s{0,3})` +
         `(${matchAnyPattern(MONTH_DICTIONARY)})` +
diff --git a/test/en/en_month_name_little_endian.test.ts b/test/en/en_month_name_little_endian.test.ts
index b643152a..1ae12eb1 100644
--- a/test/en/en_month_name_little_endian.test.ts
+++ b/test/en/en_month_name_little_endian.test.ts
@@ -461,3 +461,48 @@ test("Test - Year 3000+ support (Issue #636)", () => {
         expect(result.start).toBeDate(new Date(2025, 1 - 1, 1, 9, 30));
     });
 });
+
+test("Test - Day number followed by a dot (Issue #283)", () => {
+    testSingleCase(chrono, "5. March 2019, 03:26 PM EDT", new Date(2019, 2, 1), (result) => {
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("5. March 2019, 03:26 PM EDT");
+
+        expect(result.start.get("year")).toBe(2019);
+        expect(result.start.get("month")).toBe(3);
+        expect(result.start.get("day")).toBe(5);
+        expect(result.start.get("hour")).toBe(15);
+        expect(result.start.get("minute")).toBe(26);
+        expect(result.start.get("timezoneOffset")).toBe(-240);
+    });
+
+    testSingleCase(chrono, "23. October 2026", new Date(2026, 9, 17), (result) => {
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("23. October 2026");
+
+        expect(result.start.get("year")).toBe(2026);
+        expect(result.start.get("month")).toBe(10);
+        expect(result.start.get("day")).toBe(23);
+        expect(result.start.isCertain("hour")).toBe(false);
+
+        expect(result.start).toBeDate(new Date(2026, 10 - 1, 23, 12));
+    });
+
+    testSingleCase(chrono, "The Deadline is 10. August", new Date(2012, 7, 10), (result) => {
+        expect(result.index).toBe(16);
+        expect(result.text).toBe("10. August");
+
+        expect(result.start.get("year")).toBe(2012);
+        expect(result.start.get("month")).toBe(8);
+        expect(result.start.get("day")).toBe(10);
+
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+    });
+
+    testSingleCase(chrono, "10. - 22. August 2012", new Date(2012, 7, 10), (result) => {
+        expect(result.index).toBe(0);
+        expect(result.text).toBe("10. - 22. August 2012");
+
+        expect(result.start).toBeDate(new Date(2012, 8 - 1, 10, 12));
+        expect(result.end).toBeDate(new Date(2012, 8 - 1, 22, 12));
+    });
+});