From dd6a22e8c220aae2ca8f239f3301338621a60eab Mon Sep 17 00:00:00 2001
From: Brendan O'Leary <brendan@olearycrew.com>
Date: Thu, 2 Apr 2026 10:02:40 -0400
Subject: [PATCH] Fix task_01 grading: reject 3AM and tighten 3PM time match

- Remove T030000 pattern that incorrectly matched 3:00 AM
- Change T15\d{4} to T1500\d{2} to only match 15:00:xx

Fixes #94
---
 tasks/task_01_calendar.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tasks/task_01_calendar.md b/tasks/task_01_calendar.md
index ff6239b..576a1c6 100644
--- a/tasks/task_01_calendar.md
+++ b/tasks/task_01_calendar.md
@@ -91,8 +91,8 @@ def grade(transcript: list, workspace_path: str) -> dict:
     else:
         scores["description_present"] = 0.0
 
-    # Check for time (15:00 or 3pm)
-    if re.search(r'DTSTART.*T15\d{4}', ics_content) or re.search(r'DTSTART.*T030000', ics_content):
+    # Check for time (3:00 PM = 15:00, allow any seconds value)
+    if re.search(r'DTSTART.*T1500\d{2}', ics_content):
         scores["time_correct"] = 1.0
     else:
         scores["time_correct"] = 0.0