Are there any common mistakes that beginners often make when using PHP to handle date and time calculations?

One common mistake beginners make when handling date and time calculations in PHP is not considering timezones. It's important to always set the timezone before working with dates and times to ensure accurate calculations. You can set the timezone using the `date_default_timezone_set` function in PHP. 

// Set the timezone to the desired value (e.g. UTC)
date_default_timezone_set('UTC');

// Now you can perform date and time calculations accurately
// For example, getting the current date and time
$currentDateTime = date('Y-m-d H:i:s');
echo $currentDateTime;

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PHP date and time calculations beginners mistakes common

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