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Editorial Team
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Asked: 2026-06-06T13:11:29+00:00

I’m trying to use fixtures in Django to provide some initial data to one

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I’m trying to use fixtures in Django to provide some initial data to one of my projects. The model that I want to provide this data to has a DateField named ‘added’. So in the JSON file that contains my fixture, I included the following line:

"added": "2011-11-11",

When I load this file using 

python manage.py loaddata test.json

I get this error

ValidationError: [u'Enter a valid date in YYYY-MM-DD format.']

so I tried using dumpdata to find out how the internal formatting is different from what I did

python manage.py dumpdata modelname > bla.json

but it contains the same line that I used:

"added": "2011-11-11",

What do I have to do to use dates in my JSON files? I really can’t see where I went wrong, since my formatting is identical to what dumpdate gives me.

Nearly all of my models contain DateFields and I need the data from the fixtures to test my application.

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1 Answer

  1. Editorial Team

    Actually, date format in Django fixtures must be yyyy-mm-dd hh:mm:ss.

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