How to prompt user to input the time in a specific format?

Question

I was wondering if there's a way to ask the user to input the time in a single input bar following the specific format for datetime, so the user will have no choice but to use the specified format.

Like this:

Answer 1

here is a plugin for jquery if your project has one

$("#date").mask("9999-99-99 99:99:99");

You can use dateutil for checking date serverside

from dateutil.parser import parse

def is_date(string):
    try:
        parse(string)
        return True
    except ValueError:
        return False