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The timestamps rendered by Flask-Moment can be localized to many languages. A language can be selected in the template by passing the language code to function lang():

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Cover of Flask Web Development

Note

Internationalization
By default dates and times are rendered in English. To change to a different language add the following line in the <head> section after the include_moment() line:
{{ moment.lang("es") }}
The above example sets the language to Spanish. Moment.js supports a large number of languages, consult the documentation for the list of languages and their two letter codes.

exp.
{{ super() }}
{{ moment.include_moment() }}
{{ moment.lang('zh-CN') }}

<p>The local date and time is {{ moment(current_time).format('YYYY年M月D日, h:mm:ss a') }}.</p>
<p>That was {{ moment(current_time).fromNow(refresh=True) }}.</p>