I want to add an hour to a timestamp format in php
this is what I have been trying this whole time:
in my database I have a field that's called ts, as in timestamp (it's a timestamp field that captures CURRENT_TIMESTAMP).
then I have in codeigniter a foreach to show my results. within my results I echo the ts variable but the hour that it captures is wrong so I want to change the time and add 2 hours.
this is the code that I have tried:
foreach($row as $reg){
$timestamp = $reg->ts;
$date = new DateTime($timestamp);
$nTime = $date->modify('+2 hour');
echo $nTime;
}
it gives me this error:
A PHP Error was encountered Severity: 4096Message: Object of class DateTime could not be converted to stringFilename: libraries/Table.phpLine Number: 353
Minor error in the use of the DateTime object.
foreach($row as $reg){
$date = new DateTime();
$date->setTimestamp($reg->ts);
$date->modify('+2 hour');
echo $date->format('Y-m-d H:i:s');
}
You may want to use a different format for the date and time!
Example of adding time to date
$nTime = date("Y-m-d H:i:s", strtotime('+2 hours'))
Note date("Y-m-d H:i:s") used to set TIMESTAMP manually
In Your case
foreach($row as $reg){
$timestamp = date_create('2016-08-16 01:30:00');
$date = new DateTime(date_format($timestamp,"Y/m/d H:i:s")); // 2016-08-16 01:30:00
$nTime = date_modify($date, "+2 hours");
echo date_format($nTime,"Y/m/d H:i:s"); // Output will be 2016-08-16 03:30:00
}
Output
You have mentioned "variable but the hour that it captures is wrong" in your question. This may be you have to set date_default_timezone_set("Country/City")
In my postgresql, the I have the following column named "created" that has the type timestamp with timezone
So I inserted the record according to the format as such which I believe is UTC.
2015-10-02 09:09:35+08
I am using php Carbon library so i did the following:
$date = Carbon\Carbon::parse('2015-10-02 09:09:35+08');
echo $date->->toDatetimeString();
//gives result as 2015-10-02 09:09:35
How can I use the library to echo the correct timezone which includes the adding of the +8 in the above datetime format? The timzezone that I am using is "Asia/Singapore".
The time should be printed to local timing which is 2015-10-02: 17:09:35:
Try this:
$timestamp = '2015-10-02 16:34:00';
$date = Carbon::createFromFormat('Y-m-d H:i:s', $timestamp, 'Asia/Singapore');
Try this using standard PHP:
$raw = '2015-10-02 09:09:35+08';
$date = substr($raw,0,19);
$tzOffset = (strlen($raw) > 19) ? substr($raw,-3) : 0;
$timestamp = strtotime($date) + (60 * 60 * $tzOffset);
$localTime = date('Y-m-d H:i:s',$timestamp);
echo 'local time:['.$localTime.']';
The result is:
local time:[2015-10-02 17:09:35]
This will also work without a time zone offset or a negative one.
You can do this using native php without using Carbon:
$time = '2015-10-02 16:34:00+08';
$date = DateTime::createFromFormat('Y-m-d H:i:s+O', $time);
print $date->format('Y-m-d H:i:s') . PHP_EOL;
$date->setTimeZone(new DateTimeZone('Asia/Singapore'));
print $date->format('Y-m-d H:i:s') . PHP_EOL;
$date->setTimeZone(new DateTimeZone('Etc/UTC'));
print $date->format('Y-m-d H:i:s') . PHP_EOL;
I am trying to format a date as 2015-07-12 15:00 from the values declared in my variables
// unix
$date = 1436713200
// string
$time = '15:00';
to get a date format 2015-07-12 15:00 but failing, using this
$newdate = date('Y-m-d H:i:s', $date.' '.$time);
I get 'A non well formed numeric value encountered'. Can anyone help? I understand it is possibly due to the mix of string and unix but unsure how to get round this.
I would suggest you to use DateTime instance to avoid timezone issues:
$d = date_create('#1436713200'); // creates DateTime instance
$d->setTime(15, 00); // sets current time to desired hours, minutes
echo $d->format('Y-m-d H:i:s'); // prints it out with format specified
//⇒ 2015-07-12 15:00:00
You do not have to provie the $time variable. Unix time is a full date with time.
Use:
$newdate = date('Y-m-d H:i:s', $date);
Use this
$date = date('Y-m-d','1436713200');
// string
$time = '15:00';
echo $newdate = date('Y-m-d H:i', strtotime($date.' '.$time));
I am trying to add minutes to current date but it returns strange results
date_default_timezone_set('Asia/Karachi');
$currentDate = date("m-d-Y H:i:s");
$currentDate_timestamp = strtotime($currentDate);
$endDate_months = strtotime("+10 minutes", $currentDate_timestamp);
$packageEndDate = date("m-d-Y H:i:s", $endDate_months);
echo " <br> " . $packageEndDate . " <br> ";
echo $currentDate;
I am getting Output
01-01-1970 05:50:00
07-19-2013 20:25:23
It should return
07-19-2013 20:35:23
07-19-2013 20:25:23
After this I need to query to database so date format should be same. Database column is of string type.
Your code is redundant. Why format a timestamp as a string, then convert that string back to a timestamp?
Try
$now = time();
$ten_minutes = $now + (10 * 60);
$startDate = date('m-d-Y H:i:s', $now);
$endDate = date('m-d-Y H:i:s', $ten_minutes);
instead.
Probably the minimalist way would be:
date_default_timezone_set('Asia/Baku');
$packageEndDate = date('Y-m-d H:i:s', strtotime('+10 minute'));
echo $packageEndDate;
Output (Current time in my city at the time of writing):
2017-07-20 12:45:17
Try this:
$now = time();
$tenMinFromNow = date("m-d-Y H:i:s", strtotime('+10 minutes', $time));
$tenMinsFromNow = (new \DateTime())->add(new \DateInterval('PT10M'));
Will leave you with a DateTime object representing a time 10 minutes in the future. Which will allow you to do something like:-
echo $tenMinsFromNow->format('d/m/Y H:i:s');
See it working
PHP version >= 5.4 I'm afraid, but you should be using at least that version by now anyway.
Pakistan, which is the localisation explicitly set, uses "DD-MM-YYYY" format dates so the problem occurs when you cast the date into a string of "MM-DD-YYYY". This American format of date is not parseable by the Pakistan localisation.
If you still want to keep the round-trip to a string and back, use DD-MM-YYYY or the ISO datetime format.
While this is the only (current) answer which actually explains your original issue, I recommend the code be refactored as others have demonstrated.
I am in need of an easy way to convert a date time stamp to UTC (from whatever timezone the server is in) HOPEFULLY without using any libraries.
Use strtotime to generate a timestamp from the given string (interpreted as local time) and use gmdate to get it as a formatted UTC date back.
Example
As requested, here’s a simple example:
echo gmdate('d.m.Y H:i', strtotime('2012-06-28 23:55'));
Using DateTime:
$given = new DateTime("2014-12-12 14:18:00");
echo $given->format("Y-m-d H:i:s e") . "\n"; // 2014-12-12 14:18:00 Asia/Bangkok
$given->setTimezone(new DateTimeZone("UTC"));
echo $given->format("Y-m-d H:i:s e") . "\n"; // 2014-12-12 07:18:00 UTC
Try the getTimezone and setTimezone, see the example
(But this does use a Class)
UPDATE:
Without any classes you could try something like this:
$the_date = strtotime("2010-01-19 00:00:00");
echo(date_default_timezone_get() . "<br />");
echo(date("Y-d-mTG:i:sz",$the_date) . "<br />");
echo(date_default_timezone_set("UTC") . "<br />");
echo(date("Y-d-mTG:i:sz", $the_date) . "<br />");
NOTE: You might need to set the timezone back to the original as well
Do this way:
gmdate('Y-m-d H:i:s', $timestamp)
or simply
gmdate('Y-m-d H:i:s')
to get "NOW" in UTC.
Check the reference:
http://www.php.net/manual/en/function.gmdate.php
If you have a date in this format YYYY-MM-HH dd:mm:ss,
you can actually trick php by adding a UTC at the end of your "datetime string" and use strtotime to convert it.
date_default_timezone_set('Europe/Stockholm');
print date('Y-m-d H:i:s',strtotime("2009-01-01 12:00"." UTC"))."\n";
print date('Y-m-d H:i:s',strtotime("2009-06-01 12:00"." UTC"))."\n";
This will print this:
2009-01-01 13:00:00
2009-06-01 14:00:00
And as you can see it takes care of the daylight savings time problem as well.
A little strange way to solve it.... :)
Convert local time zone string to UTC string.
e.g. New Zealand Time Zone
$datetime = "2016-02-01 00:00:01";
$given = new DateTime($datetime, new DateTimeZone("Pacific/Auckland"));
$given->setTimezone(new DateTimeZone("UTC"));
$output = $given->format("Y-m-d H:i:s");
echo ($output);
NZDT: UTC+13:00
if $datetime = "2016-02-01 00:00:01", $output = "2016-01-31 11:00:01";
if $datetime = "2016-02-29 23:59:59", $output = "2016-02-29 10:59:59";
NZST: UTC+12:00
if $datetime = "2016-05-01 00:00:01", $output = "2016-04-30 12:00:01";
if $datetime = "2016-05-31 23:59:59", $output = "2016-05-31 11:59:59";
https://en.wikipedia.org/wiki/Time_in_New_Zealand
If you don't mind using PHP's DateTime class, which has been available since PHP 5.2.0, then there are several scenarios that might fit your situation:
If you have a $givenDt DateTime object that you want to convert to UTC then this will convert it to UTC:
$givenDt->setTimezone(new DateTimeZone('UTC'));
If you need the original $givenDt later, you might alternatively want to clone the given DateTime object before conversion of the cloned object:
$utcDt = clone $givenDt;
$utcDt->setTimezone(new DateTimeZone('UTC'));
If you only have a datetime string, e.g. $givenStr = '2018-12-17 10:47:12', then you first create a datetime object, and then convert it. Note this assumes that $givenStr is in PHP's configured timezone.
$utcDt = (new DateTime($givenStr))->setTimezone(new DateTimeZone('UTC'));
If the given datetime string is in some timezone different from the one in your PHP configuration, then create the datetime object by supplying the correct timezone (see the list of timezones PHP supports). In this example we assume the local timezone in Amsterdam:
$givenDt = new DateTime($givenStr, new DateTimeZone('Europe/Amsterdam'));
$givenDt->setTimezone(new DateTimeZone('UTC'));
As strtotime requires specific input format, DateTime::createFromFormat could be used (php 5.3+ is required)
// set timezone to user timezone
date_default_timezone_set($str_user_timezone);
// create date object using any given format
$date = DateTime::createFromFormat($str_user_dateformat, $str_user_datetime);
// convert given datetime to safe format for strtotime
$str_user_datetime = $date->format('Y-m-d H:i:s');
// convert to UTC
$str_UTC_datetime = gmdate($str_server_dateformat, strtotime($str_user_datetime));
// return timezone to server default
date_default_timezone_set($str_server_timezone);
I sometime use this method:
// It is not importnat what timezone your system is set to.
// Get the UTC offset in seconds:
$offset = date("Z");
// Then subtract if from your original timestamp:
$utc_time = date("Y-m-d H:i:s", strtotime($original_time." -".$offset." Seconds"));
Works all MOST of the time.
http://php.net/manual/en/function.strtotime.php or if you need to not use a string but time components instead, then http://us.php.net/manual/en/function.mktime.php
With PHP 5 or superior, you may use datetime::format function (see documentation http://us.php.net/manual/en/datetime.format.php)
echo strftime( '%e %B %Y' ,
date_create_from_format('Y-d-m G:i:s', '2012-04-05 11:55:21')->format('U')
); // 4 May 2012
try
echo date('F d Y', strtotime('2010-01-19 00:00:00'));
will output:
January 19 2010
you should change format time to see other output
General purpose normalisation function to format any timestamp from any timezone to other.
Very useful for storing datetimestamps of users from different timezones in a relational database. For database comparisons store timestamp as UTC and use with gmdate('Y-m-d H:i:s')
/**
* Convert Datetime from any given olsonzone to other.
* #return datetime in user specified format
*/
function datetimeconv($datetime, $from, $to)
{
try {
if ($from['localeFormat'] != 'Y-m-d H:i:s') {
$datetime = DateTime::createFromFormat($from['localeFormat'], $datetime)->format('Y-m-d H:i:s');
}
$datetime = new DateTime($datetime, new DateTimeZone($from['olsonZone']));
$datetime->setTimeZone(new DateTimeZone($to['olsonZone']));
return $datetime->format($to['localeFormat']);
} catch (\Exception $e) {
return null;
}
}
Usage:
$from = ['localeFormat' => "d/m/Y H:i A", 'olsonZone' => 'Asia/Calcutta'];
$to = ['localeFormat' => "Y-m-d H:i:s", 'olsonZone' => 'UTC'];
datetimeconv("14/05/1986 10:45 PM", $from, $to); // returns "1986-05-14 17:15:00"
As an improvement on Phill Pafford's answer (I did not understand his 'Y-d-mTG:i:sz' and he suggested to revert timezone).
So I propose this (I complicated by changing the HMTL format in plain/text...):
<?php
header('content-type: text/plain;');
$my_timestamp = strtotime("2010-01-19 00:00:00");
// stores timezone
$my_timezone = date_default_timezone_get();
echo date(DATE_ATOM, $my_timestamp)."\t ($my_timezone date)\n";
// changes timezone
date_default_timezone_set("UTC");
echo date("Y-m-d\TH:i:s\Z", $my_timestamp)."\t\t (ISO8601 UTC date)\n";
echo date("Y-m-d H:i:s", $my_timestamp)."\t\t (your UTC date)\n";
// reverts change
date_default_timezone_set($my_timezone);
echo date(DATE_ATOM, $my_timestamp)."\t ($my_timezone date is back)\n";
?>
alternatively you can try this:
<?php echo (new DateTime("now", new DateTimeZone('Asia/Singapore')))->format("Y-m-d H:i:s e"); ?>
this will output :
2017-10-25 17:13:20 Asia/Singapore
you can use this inside the value attribute of a text input box if you only want to display a read-only date.
remove the 'e' if you do not wish to show your region/country.
Follow these steps to get UTC time of any timezone set in user's local system (This will be required for web applications to save different timezones to UTC):
Javascript (client-side):
var dateVar = new Date();
var offset = dateVar.getTimezoneOffset();
//getTimezoneOffset - returns the timezone difference between UTC and Local Time
document.cookie = "offset="+offset;
Php (server-side):
public function convert_utc_time($date)
{
$time_difference = isset($_COOKIE['offset'])?$_COOKIE['offset']:'';
if($time_difference != ''){
$time = strtotime($date);
$time = $time + ($time_difference*60); //minutes * 60 seconds
$date = date("Y-m-d H:i:s", $time);
} //on failure of js, default timezone is set as UTC below
return $date;
}
..
..
//in my function
$timezone = 'UTC';
$date = $this->convert_utc_time($post_date); //$post_date('Y-m-d H:i:s')
echo strtotime($date. ' '. $timezone)