Display build dates in local time

importarr/build_info.py

@@ -8,14 +8,31 @@ from . import __version__
 
 
 def build_info() -> dict[str, str]:
+    build_date = os.getenv("IMPORTARR_BUILD_DATE", "development")
     return {
         "name": "Importarr",
         "version": os.getenv("IMPORTARR_VERSION", __version__),
-        "build_date": os.getenv("IMPORTARR_BUILD_DATE", "development"),
+        "build_date": local_timestamp(build_date),
         "git_sha": os.getenv("IMPORTARR_GIT_SHA", "development"),
         "python": platform.python_version(),
         "started_at": STARTED_AT,
     }
 
 
-STARTED_AT = datetime.now(UTC).isoformat(timespec="seconds")
+def local_timestamp(value: str) -> str:
+    if value == "development":
+        return value
+
+    normalized = value.removesuffix("Z") + "+00:00" if value.endswith("Z") else value
+    try:
+        timestamp = datetime.fromisoformat(normalized)
+    except ValueError:
+        return value
+
+    if timestamp.tzinfo is None:
+        timestamp = timestamp.replace(tzinfo=UTC)
+
+    return timestamp.astimezone().isoformat(timespec="seconds")
+
+
+STARTED_AT = datetime.now(UTC).astimezone().isoformat(timespec="seconds")

tests/test_status.py

@@ -8,6 +8,19 @@ def test_health_contains_build_info(tmp_path, monkeypatch):
     assert payload["version"]
 
 
+def test_build_date_is_rendered_in_local_time(monkeypatch):
+    import importarr.build_info as build_info
+
+    monkeypatch.setenv("TZ", "Europe/Copenhagen")
+    import time
+
+    time.tzset()
+
+    monkeypatch.setenv("IMPORTARR_BUILD_DATE", "2026-07-29T12:00:00Z")
+
+    assert build_info.build_info()["build_date"] == "2026-07-29T14:00:00+02:00"
+
+
 def test_status_contains_service_configuration(tmp_path, monkeypatch):
     monkeypatch.setenv("IMPORTARR_STATE_PATH", str(tmp_path / "state.db"))
     import importarr.main as main