Export a UTC date

validata_core/__init__.py

@@ -2,7 +2,7 @@ import importlib.util
 import json
 import logging
 from collections import defaultdict
-from datetime import datetime
+from datetime import datetime, timezone
 from pathlib import Path
 
 import importlib_resources
@@ -213,6 +213,6 @@ class Validator:
         report = amend_report(report)
 
         # Add date
-        report['date'] = datetime.now().isoformat()
+        report['date'] = datetime.now(timezone.utc).isoformat()
 
         return report