How can the code provided be improved to ensure accurate time calculations and display?

The issue with the current code is that it is not accounting for time zone differences when calculating the time difference. To ensure accurate time calculations and display, we can use the `DateTime` class in PHP along with setting the correct time zone. 

// Set the time zone
date_default_timezone_set('America/New_York');

// Create DateTime objects for the start and end times
$start = new DateTime('2022-01-01 08:00:00');
$end = new DateTime('2022-01-01 12:00:00');

// Calculate the time difference
$interval = $start->diff($end);

// Display the time difference
echo $interval->format('%H hours %i minutes');

Keywords

date time calculations accuracy display

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