From 22dfa4c4487e867942af04e1cdc326ed3d960696 Mon Sep 17 00:00:00 2001
From: Spencer Brower <6729162+sbrow@users.noreply.github.com>
Date: Wed, 2 Sep 2026 16:51:02 -0400
Subject: [PATCH] fix: fixed an offset issue with date formatting.

---
 feed.odin      | 16 +++++++++++++---
 feed_test.odin | 23 ++++++++++++++++++-----
 2 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/feed.odin b/feed.odin
index 7e2acaa..98f6764 100644
--- a/feed.odin
+++ b/feed.odin
@@ -124,15 +124,25 @@ format_rfc822 :: proc(iso: string, allocator := context.temp_allocator) -> strin
 	buf: [8]byte
 	t := time.to_string_hms(date, buf[:])
 
+	// RFC-822 zone: sign followed by two-digit hours and minutes (e.g. +0000,
+	// +0530, -0800). offset is in minutes.
+	sign := '+'
+	off := offset
+	if off < 0 {
+		sign = '-'
+		off = -off
+	}
+
 	return fmt.aprintf(
-		"%s, %02d %s %d %s %3d%2d",
+		"%s, %02d %s %d %s %c%02d%02d",
 		weekday[:3],
 		time.day(date),
 		month[:3],
 		time.year(date),
 		t,
-		offset / 60,
-		offset % 60,
+		sign,
+		off / 60,
+		off % 60,
 		allocator = allocator,
 	)
 }
diff --git a/feed_test.odin b/feed_test.odin
index 54abbfc..8be163f 100644
--- a/feed_test.odin
+++ b/feed_test.odin
@@ -50,11 +50,24 @@ test_format_rfc822_short_passthrough :: proc(t: ^testing.T) {
 
 @(test)
 test_format_rfc822_full_date :: proc(t: ^testing.T) {
-	got := format_rfc822("2024-01-15T10:30:00Z")
-	// Result is temp-allocated (reset by the test runner), so no delete.
-	// 2024-01-15 is a Monday. Assert the stable leading portion; the trailing
-	// offset rendering is intentionally left unpinned here.
-	testing.expect(t, strings.has_prefix(got, "Mon, 15 Jan 2024 10:30:00"), got)
+	// Results are temp-allocated (reset by the test runner), so no delete.
+	// 2024-01-15 is a Monday; wall-clock time is preserved and the zone is
+	// rendered as an RFC-822 ±HHMM offset.
+	testing.expect_value(
+		t,
+		format_rfc822("2024-01-15T10:30:00Z"),
+		"Mon, 15 Jan 2024 10:30:00 +0000",
+	)
+	testing.expect_value(
+		t,
+		format_rfc822("2024-01-15T10:30:00+05:30"),
+		"Mon, 15 Jan 2024 10:30:00 +0530",
+	)
+	testing.expect_value(
+		t,
+		format_rfc822("2024-01-15T10:30:00-08:00"),
+		"Mon, 15 Jan 2024 10:30:00 -0800",
+	)
 }
 
 // ---------------------------------------------------------------------------