I have a DurationField defined in my model as
day0 = models.DurationField('Duration for Monday', default=datetime.timedelta)
When I try to view this, I want it formatted as "HH:MM" -- It is always less than 24. So, I tried these in the HTML template file:
{{ slice.day0|time:'H:M' }}
{{ slice.day0|date:'H:M' }}
However, all I get is an empty space.
What am I doing wrong?