diff --git a/backend/app/services/forgejo_client.py b/backend/app/services/forgejo_client.py
index a48cfa3..a48ee93 100644
--- a/backend/app/services/forgejo_client.py
+++ b/backend/app/services/forgejo_client.py
@@ -3,6 +3,8 @@
 from __future__ import annotations
 
 import httpx
+from datetime import datetime
+from datetime import timezone as _tz
 
 from app.core.logging import get_logger
 
@@ -398,19 +400,30 @@ class ForgejoAPIClient:
                 break  # empty or non-existent repo
             response.raise_for_status()
             data = response.json()
-            commits = data if isinstance(data, list) else []
+            commits = data if isinstance(data, list) else data.get("commits") or data.get("data") or []
             if not commits:
                 break
             for commit in commits:
                 s = commit.get("stats") or {}
                 total_adds += int(s.get("additions") or 0)
                 total_dels += int(s.get("deletions") or 0)
-                # Extract commit date for per-day activity counting
+                # Extract commit date for per-day activity counting.
+                # Normalise to UTC so Pipeline's day boundaries match Forgejo's
+                # contribution graph, which also uses UTC.  Author dates from
+                # git clients configured with a local timezone would otherwise
+                # slice to the local date (e.g. "2026-05-26" from
+                # "2026-05-26T22:30:00-05:00") instead of the UTC date
+                # ("2026-05-27"), causing commits near midnight to land on the
+                # wrong day.
                 commit_obj = commit.get("commit") or {}
                 author_obj = commit_obj.get("author") or {}
                 date_str: str = author_obj.get("date") or commit.get("created") or ""
                 if date_str and len(date_str) >= 10:
-                    day = date_str[:10]
+                    try:
+                        dt = datetime.fromisoformat(date_str.replace("Z", "+00:00"))
+                        day = dt.astimezone(_tz.utc).strftime("%Y-%m-%d")
+                    except (ValueError, OverflowError):
+                        day = date_str[:10]
                     day_counts[day] = day_counts.get(day, 0) + 1
             if len(commits) < 50:
                 break  # last page