In the context of PHP, what are the advantages of using Date objects to handle time zone conversions and calculations?

When dealing with time zone conversions and calculations in PHP, using Date objects simplifies the process by providing built-in methods for handling time zones and performing calculations accurately. Date objects allow for easy conversion between different time zones and provide methods for adding or subtracting time intervals. This helps to avoid errors that can occur when manually manipulating timestamps.

// Create a Date object with the current time in UTC
$date = new DateTime('now', new DateTimeZone('UTC'));

// Set the time zone to convert to
$date->setTimezone(new DateTimeZone('America/New_York'));

// Add 1 day to the current date
$date->modify('+1 day');

// Format the date in the desired format
echo $date->format('Y-m-d H:i:s');