Php time difference between

How to Get Time Difference Between Two DateTimes in Minutes using PHP

There are two ways to get the time difference in minutes with PHP.

1. Use the PHP DateTime class to calculate the difference between two date-times. The diff() method of DateTime class creates a DateInterval object that calculates the difference between two date/time objects in time (total days, years, months, days, hours, minutes, seconds, etc.).

$datetime_1 = '2022-04-10 11:15:30'; 
$datetime_2 = '2022-04-12 13:30:45'; 

$start_datetime = new DateTime($datetime_1); 
$diff = $start_datetime->diff(new DateTime($datetime_2)); 

echo $diff->days.' Days total
'; 
echo $diff->y.' Years
'; 
echo $diff->m.' Months
'; 
echo $diff->d.' Days
'; 
echo $diff->h.' Hours
'; 
echo $diff->i.' Minutes
'; 
echo $diff->s.' Seconds
';

Calculate and get the time difference in minutes:

$total_minutes = ($diff->days * 24 * 60); 
$total_minutes += ($diff->h * 60); 
$total_minutes += $diff->i; 

echo 'Diff in Minutes: '.$total_minutes;

2. You can use strtotime() function to get the time difference between two dates (DateTime) in minutes using PHP.

$datetime_1 = '2022-04-10 11:15:30'; 
$datetime_2 = '2022-04-12 13:30:45'; 

$from_time = strtotime($datetime_1); 
$to_time = strtotime($datetime_2); 
$diff_minutes = round(abs($from_time - $to_time) / 60,2). " minutes";

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date_diff

Returns the difference between two DateTimeInterface objects.

Parameters

Should the interval be forced to be positive?

Return Values

The DateInterval object represents the difference between the two dates.

The return value more specifically represents the clock-time interval to apply to the original object ( $this or $originObject ) to arrive at the $targetObject . This process is not always reversible.

The method is aware of DST changeovers, and hence can return an interval of 24 hours and 30 minutes , as per one of the examples. If you want to calculate with absolute time, you need to convert both the $this / $baseObject , and $targetObject to UTC first.

Examples

Example #1 DateTimeImmutable::diff() example

$origin = new DateTimeImmutable ( ‘2009-10-11’ );
$target = new DateTimeImmutable ( ‘2009-10-13’ );
$interval = $origin -> diff ( $target );
echo $interval -> format ( ‘%R%a days’ );
?>

$origin = date_create ( ‘2009-10-11’ );
$target = date_create ( ‘2009-10-13’ );
$interval = date_diff ( $origin , $target );
echo $interval -> format ( ‘%R%a days’ );
?>

The above examples will output:

Example #2 DateTimeInterface::diff() during DST changeover

$originalTime = new DateTimeImmutable ( «2021-10-30 09:00:00 Europe/London» );
$targedTime = new DateTimeImmutable ( «2021-10-31 08:30:00 Europe/London» );
$interval = $originalTime -> diff ( $targedTime );
echo $interval -> format ( «%H:%I:%S (Full days: %a)» ), «\n» ;
?>

The above example will output:

Example #3 DateTime object comparison

$date1 = new DateTime ( «now» );
$date2 = new DateTime ( «tomorrow» );

var_dump ( $date1 == $date2 );
var_dump ( $date1 < $date2 );
var_dump ( $date1 > $date2 );
?>

The above example will output:

bool(false) bool(true) bool(false)

See Also

• DateInterval::format() — Formats the interval
• DateTime::add() — Modifies a DateTime object, with added amount of days, months, years, hours, minutes and seconds
• DateTime::sub() — Subtracts an amount of days, months, years, hours, minutes and seconds from a DateTime object

User Contributed Notes

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Get Time Difference in Minutes in PHP

1. Use date_diff() Function to Get Time Difference in Minutes in PHP
2. Use Mathematical Formulas to Get Time Difference in Minutes in PHP

In this article, we will introduce methods to get time difference in minutes in PHP.

Use date_diff() Function to Get Time Difference in Minutes in PHP

We will use the built-in function date_diff() to get time difference in minutes.

For this, we need a start date and an end date. We will calculate their time difference in minutes using the date_diff() function. The correct syntax to use this function is as follows.

date_diff($DateTimeObject1, $DateTimeObject2); 

This function returns the difference between the start date and end date on success. It returns FALSE on failure.

The program below shows how we can use the date_diff() function to get time difference in minutes.

php $dateTimeObject1 = date_create('2019-06-16'); $dateTimeObject2 = date_create('2020-06-16');  $difference = date_diff($dateTimeObject1, $dateTimeObject2); echo ("The difference in days is:"); echo $difference->format('%R%a days'); echo "\n"; $minutes = $difference->days * 24 * 60; $minutes += $difference->h * 60; $minutes += $difference->i; echo("The difference in minutes is:"); echo $minutes.' minutes'; ?> 

The function date_diff() has returned an object that represents the difference between two dates.

The difference in days is:+366 days The difference in minutes is:527040 minutes 

Now we will find the difference between time.

php $dateTimeObject1 = date_create('17:13:00'); $dateTimeObject2 = date_create('12:13:00');  $difference = date_diff($dateTimeObject1, $dateTimeObject2); echo ("The difference in hours is:"); echo $difference->h; echo "\n"; $minutes = $difference->days * 24 * 60; $minutes += $difference->h * 60; $minutes += $difference->i; echo("The difference in minutes is:"); echo $minutes.' minutes'; ?> 

The difference in hours is:5 The difference in minutes is:300 minutes 

Use Mathematical Formulas to Get Time Difference in Minutes in PHP

In PHP, we can also use different mathematical formulas to get time difference in minutes. The program that gets time difference in minutes is as follows:

php $to_time = strtotime("10:42:00"); $from_time = strtotime("10:21:00"); $minutes = round(abs($to_time - $from_time) / 60,2); echo("The difference in minutes is: $minutes minutes."); ?> 

The difference in minutes is: 21 minutes 

We can also find the time difference in minutes using the following method.

php $start = strtotime('12:01:00'); $end = strtotime('13:16:00'); $minutes = ($end - $start) / 60; echo "The difference in minutes is $minutes minutes."; ?> 

The difference in minutes is 75 minutes. 

Related Article — PHP Time

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