Using wp_date() to determine date

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Hi,

Can I use wp_date() in a script to determine a certain day in the site’s timezone, or should I not use the function this way?

For example, I use this to determine which day it is:

$today = current_datetime()->getTimestamp();
$day = wp_date('w', $today);
if ($day == '0') {
  echo 'It's sunday';
}

Guess it’s improper use, but just curious how you think about this..

Guido