Display time using php

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PHP Date and Time

The PHP date() function is used to format a date and/or a time.

The PHP Date() Function

The PHP date() function formats a timestamp to a more readable date and time.

Syntax

Parameter	Description
format	Required. Specifies the format of the timestamp
timestamp	Optional. Specifies a timestamp. Default is the current date and time

A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred.

Get a Date

The required format parameter of the date() function specifies how to format the date (or time).

Here are some characters that are commonly used for dates:

d — Represents the day of the month (01 to 31)
m — Represents a month (01 to 12)
Y — Represents a year (in four digits)
l (lowercase ‘L’) — Represents the day of the week

Other characters, like»/», «.», or «-» can also be inserted between the characters to add additional formatting.

The example below formats today’s date in three different ways:

Example

echo «Today is » . date(«Y/m/d») . «
«;
echo «Today is » . date(«Y.m.d») . «
«;
echo «Today is » . date(«Y-m-d») . «
«;
echo «Today is » . date(«l»);
?>

PHP Tip — Automatic Copyright Year

Use the date() function to automatically update the copyright year on your website:

Example

Get a Time

Here are some characters that are commonly used for times:

H — 24-hour format of an hour (00 to 23)
h — 12-hour format of an hour with leading zeros (01 to 12)
i — Minutes with leading zeros (00 to 59)
s — Seconds with leading zeros (00 to 59)
a — Lowercase Ante meridiem and Post meridiem (am or pm)

The example below outputs the current time in the specified format:

Example

Note that the PHP date() function will return the current date/time of the server!

Get Your Time Zone

If the time you got back from the code is not correct, it’s probably because your server is in another country or set up for a different timezone.

So, if you need the time to be correct according to a specific location, you can set the timezone you want to use.

The example below sets the timezone to «America/New_York», then outputs the current time in the specified format:

Example

Create a Date With mktime()

The optional timestamp parameter in the date() function specifies a timestamp. If omitted, the current date and time will be used (as in the examples above).

The PHP mktime() function returns the Unix timestamp for a date. The Unix timestamp contains the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time specified.

Syntax

The example below creates a date and time with the date() function from a number of parameters in the mktime() function:

Example

Create a Date From a String With strtotime()

The PHP strtotime() function is used to convert a human readable date string into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 GMT).

Syntax

The example below creates a date and time from the strtotime() function:

Example

PHP is quite clever about converting a string to a date, so you can put in various values:

Example

$d=strtotime(«next Saturday»);
echo date(«Y-m-d h:i:sa», $d) . «
«;

However, strtotime() is not perfect, so remember to check the strings you put in there.

More Date Examples

The example below outputs the dates for the next six Saturdays:

Example

$startdate = strtotime(«Saturday»);
$enddate = strtotime(«+6 weeks», $startdate);

while ($startdate < $enddate) echo date("M d", $startdate) . "
«;
$startdate = strtotime(«+1 week», $startdate);
>
?>

The example below outputs the number of days until 4th of July:

Example

$d1=strtotime(«July 04»);
$d2=ceil(($d1-time())/60/60/24);
echo «There are » . $d2 .» days until 4th of July.»;
?>

Complete PHP Date Reference

For a complete reference of all date functions, go to our complete PHP Date Reference.

The reference contains a brief description, and examples of use, for each function!

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Date and Time in HTML Webpages

Display Date and Time using Javascript, php or Server Side Includes (SSI)

Display Date and Time using Javascript (Client-side)

First we need to define where the date/time should be shown in the HTML page by adding an id to an e.g. or

element.

Now let’s assign the date/time to the content (innerHTML) of the element with the .

If you want to show the current date only:

If you want to show the current time only:

We used the «toLocaleString» functions in our code, which means the output depends on the user locale. This might be ok for most, but could be a problem if you want to display the date/time locale independent, e.g. DD.MM.YYY hh:mm (German). The solution is to build our own string using the Date functions:

MM/DD/YYYY hh:mm Sample:

DD.MM.YYYY hh:mm Sample:

We add leading zeros to day, month, hours and minutes (we add a leading 0 and use the 2 most-right chars).
You can find the complete list of Date methods @w3schools.com.

Display Date and Time using php (Server-side)

Important: This code will display the date/time on the server and works only if your webpage has the extension .php!
If you want to show the client-side date, use javascript (see above) instead.

Date/Time: DD.MM.YYYY hh:mm (German)

We can use the strftime function in php, which makes it really easy to include the date/time.
Please take a look at w3schools.com for a complete list of date/time format parameters.

Display Date and Time using Server Side Includes (SSI)

Important: Server Side Includes have the extension .shtml (by default).
Only use this code if your webserver has enabled SSI for the file extension of the webpage.

We configure the time format (timefmt) first using a #config, then #echo (output) the » LOCAL_DATE «:

MM/DD/YYYY hh:mm Sample:

DD.MM.YYYY hh:mm Sample:

«timefmt» Parameter:

%a Abbreviated Weekday Name
%A Full Weekday Name
%b Abbreviated Month Name
%B Full Month Name
%c Preferred Date & Time
%d Day of Month as digit
%H Hour Number (24-Hour Clock)
%I Hour Number (12-Hour Clock)
%j Day of the Year Number
%m Month as digit
%M Minute Number
%p AM or PM
%S Second Number
%U Week Number/Sunday as Day One
%w Day of the Week Number
%x Preferred Format without Time
%X Preferred Format without Date
%y Two-Digit Year Number
%Y Four-Digit Year
%Z Time Zone

Disclaimer: The information on this page is provided «as is» without warranty of any kind. Further, Arclab Software OHG does not warrant, guarantee, or make any representations regarding the use, or the results of use, in terms of correctness, accuracy, reliability, currentness, or otherwise. See: License Agreement

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