diff --git a/ckanext/fairdatapoint/profiles.py b/ckanext/fairdatapoint/profiles.py
index 61f57db..f232c7a 100644
--- a/ckanext/fairdatapoint/profiles.py
+++ b/ckanext/fairdatapoint/profiles.py
@@ -3,7 +3,7 @@
 #  check for multiple-text fields in the schema
 # All changes are © Stichting Health-RI and are licensed under the AGPLv3 license
 
-from datetime import datetime
+from datetime import datetime, timezone
 import re
 import json
 import logging
@@ -85,9 +85,11 @@ def convert_datetime_string(date_value: str) -> datetime:
     Converts datestrings (e.g. '2023-10-06T10:12:55.614000+00:00') to datetime class instance
     """
     try:
-        date_value = dateparser.parse(date_value)
+        date_value = dateparser.parse(date_value, yearfirst=True)
+        if date_value.tzinfo is not None:
+            date_value = date_value.astimezone(timezone.utc)
     except ParserError:
-        log.error('A date field string value can not be parsed to a date')
+        log.error(f'A date field string value {date_value} can not be parsed to a date')
     return date_value
 
 
diff --git a/ckanext/fairdatapoint/tests/test_profiles.py b/ckanext/fairdatapoint/tests/test_profiles.py
index 96fecbb..c0b1931 100644
--- a/ckanext/fairdatapoint/tests/test_profiles.py
+++ b/ckanext/fairdatapoint/tests/test_profiles.py
@@ -18,7 +18,7 @@
 
 import pytest
 from datetime import datetime
-from dateutil.tz import tzutc, tzoffset
+from dateutil.tz import tzutc
 from pathlib import Path
 from rdflib import Graph, URIRef
 from ckanext.fairdatapoint.profiles import validate_tags, convert_datetime_string
@@ -91,8 +91,15 @@ def test_parse_dataset():
     ("2023-10-06T10:12:55.614000+00:00",
      datetime(2023, 10, 6, 10, 12, 55, 614000, tzinfo=tzutc())),
     ("2024-02-15 11:16:37+03:00",
-     datetime(2024, 2, 15, 11, 16, 37, tzinfo=tzoffset(None, 10800))),
+     datetime(2024, 2, 15, 8, 16, 37, tzinfo=tzutc())),
+    ("2014-09-12T19:34:29Z",
+     datetime(2014, 9, 12, 19, 34, 29, tzinfo=tzutc())),
+    ("2007-04-05T12:30.512000-02:00",
+     datetime(2007, 4, 5, 14, 30, 30, tzinfo=tzutc())),
+    ("2007-04-05T12:30-02:00",
+     datetime(2007, 4, 5, 14, 30, tzinfo=tzutc())),
     ("November 9, 1999", datetime(1999, 11, 9, 0, 0, 0)),
+    ("25-06-2023", datetime(2023, 6, 25)),
     ("2006-09", datetime(2006, 9, datetime.today().day))])
 def test_convert_datetime_string(input_timestring, expected_output):
     actual = convert_datetime_string(input_timestring)