PHP

time in php

echo date('d/m/Y h:i:s a');	// 01/02/2020 01:01:30 am
// d - The day of the month (from 01 to 31)
// D - A textual representation of a day (three letters)
// j - The day of the month without leading zeros (1 to 31)
// l (lowercase 'L') - A full textual representation of a day
// N - The ISO-8601 numeric representation of a day (1 for Monday, 7 for Sunday)
// S - The English ordinal suffix for the day of the month (2 characters st, nd, rd or th. Works well with j)
// w - A numeric representation of the day (0 for Sunday, 6 for Saturday)
// z - The day of the year (from 0 through 365)
// W - The ISO-8601 week number of year (weeks starting on Monday)
// F - A full textual representation of a month (January through December)
// m - A numeric representation of a month (from 01 to 12)
// M - A short textual representation of a month (three letters)
// n - A numeric representation of a month, without leading zeros (1 to 12)
// t - The number of days in the given month
// L - Whether it's a leap year (1 if it is a leap year, 0 otherwise)
// o - The ISO-8601 year number
// Y - A four digit representation of a year
// y - A two digit representation of a year
// a - Lowercase am or pm
// A - Uppercase AM or PM
// B - Swatch Internet time (000 to 999)
// g - 12-hour format of an hour (1 to 12)
// G - 24-hour format of an hour (0 to 23)
// h - 12-hour format of an hour (01 to 12)
// H - 24-hour format of an hour (00 to 23)
// i - Minutes with leading zeros (00 to 59)
// s - Seconds, with leading zeros (00 to 59)
// u - Microseconds (added in PHP 5.2.2)
// e - The timezone identifier (Examples: UTC, GMT, Atlantic/Azores)
// I (capital i) - Whether the date is in daylights savings time (1 if Daylight Savings Time, 0 otherwise)
// O - Difference to Greenwich time (GMT) in hours (Example: +0100)
// P - Difference to Greenwich time (GMT) in hours:minutes (added in PHP 5.1.3)
// T - Timezone abbreviations (Examples: EST, MDT)
// Z - Timezone offset in seconds. The offset for timezones west of UTC is negative (-43200 to 50400)
// c - The ISO-8601 date (e.g. 2013-05-05T16:34:42+00:00)
// r - The RFC 2822 formatted date (e.g. Fri, 12 Apr 2013 12:01:05 +0200)
// U - The seconds since the Unix Epoch (January 1 1970 00:00:00 GMT)

time php

<?php 
/* Unix Timestamp */
$timestamp = time();
echo $timestamp . "<br>";
echo date("d/m/Y", $timestamp);
?>

php time

<?php
$t=time();
echo($t . "<br>");
echo(date("Y-m-d",$t));
?>

date time in php

$today = date("Y-m-d H:i:s");                     // 2001-03-10 17:16:18 (le format DATETIME de MySQL)

time function in php

Return the current time as a Unix timestamp, then format it to a date:
<?php 
/* Unix Timestamp */
$timestamp = time();
echo $timestamp . "<br>";
echo date("d/m/Y", $timestamp);
?>

time php

<?php
 
  /* This answer is about date and time
 
  The syntax for date and time is:
  */
 
  date(format,timestamp)
 
  /* Here, format is required and it specifies the format of the timestamp,
  while timestamp is optional and specifies a timestamp. Default value
  for timestamp is current date and time */
 
  #Some characters that are commonly used for dates are:
  
  l (Lowercase L) - Represents day of the week
  d - Tells the day of the month
  m - Tells the month of the year
  Y - Represents a year
  
  echo "Today is " . date("m/d/Y") . "<br>";
  echo "Today is " . date("m.d.Y") . "<br>";
  echo "Today is " . date("m-d-Y") . "<br>";
  echo "Today is " . date("l");
  
  #Some characters that are commonly used for time are:

  H - 24-hour format of an hour (0 to 23)
  h - 12-hour format of an hour (0 to 12)
  i - Minute with leading zeros (0 to 59)
  s - Seconds with leading zeros (0 to 59)
  a - am or pm
    
  echo "The time is " . date("h:i:sa");
  echo "The time is " . date("H:i:s");

  #Set timezones

  date_default_timezone_set("America/New_York");

  #You can access every timezone here: https://www.php.net/manual/en/timezones.php

  #The timezone by default is UTC

  #mktime()

  mktime(hour, minute, second, month, day, year) #Syntax
    
  $d=mktime(01, 1, 1, 1, 01, 0001);
  echo "Created date is " . date("Y-m-d h:i:sa", $d);

  #strtotime
  
  $d=strtotime("4:33am December 6 2011");
  echo "Created date is " . date("Y-m-d h:i:sa", $d);

  $d=strtotime("tomorrow");
  echo date("Y-m-d h:i:sa", $d) . "<br>";

  $d=strtotime("next Saturday");
  echo date("Y-m-d h:i:sa", $d) . "<br>";

  $d=strtotime("+3 Months");
  echo date("Y-m-d h:i:sa", $d) . "<br>";

  strtotime(time, now) #Syntax
    
  #Due to limitations, there is another page for every other thing of Date and Time
    
  #Search "Date and Time PHP Continued"  
  
?>