Initial

app/base/forms/widgets/datetime_widget.py

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+from django import forms
+from django.forms.utils import to_current_timezone
+from django.http.request import QueryDict
+
+from datetime import datetime
+
+
+class DateTimeWithNow(forms.DateTimeInput):
+    template_name = 'forms/widgets/datetime.html'
+
+    def format_value(self, value: datetime) -> datetime:
+        return to_current_timezone(value)
+
+    def value_from_datadict(self, data: QueryDict, files, name: str) \
+            -> 'datetime|None':
+        day, time = data.getlist(name)
+        if not day:
+            return None
+        y, m, d = day.split('-')
+        h, i, *s = time.split(':') if time else (0, 0, 0)
+        return datetime(
+            int(y), int(m), int(d), int(h), int(i), int(s[0] if s else 0))