# Carbon
[![Latest Stable Version ](https://poser.pugx.org/nesbot/carbon/v/stable.png )](https://packagist.org/packages/nesbot/carbon)
[![Total Downloads ](https://poser.pugx.org/nesbot/carbon/downloads.png )](https://packagist.org/packages/nesbot/carbon)
[![Build Status ](https://travis-ci.org/briannesbitt/Carbon.svg?branch=master )](https://travis-ci.org/briannesbitt/Carbon)
[![StyleCI ](https://styleci.io/repos/5724990/shield?style=flat )](https://styleci.io/repos/5724990)
[![codecov.io ](https://codecov.io/github/briannesbitt/Carbon/coverage.svg?branch=master )](https://codecov.io/github/briannesbitt/Carbon?branch=master)
[![PHP-Eye ](https://php-eye.com/badge/nesbot/carbon/tested.svg?style=flat )](https://php-eye.com/package/nesbot/carbon)
[![PHPStan ](https://img.shields.io/badge/PHPStan-enabled-brightgreen.svg?style=flat )](https://github.com/phpstan/phpstan)
A simple PHP API extension for DateTime. [http://carbon.nesbot.com ](http://carbon.nesbot.com )
```php
use Carbon\Carbon;
printf("Right now is %s", Carbon::now()->toDateTimeString());
printf("Right now in Vancouver is %s", Carbon::now('America/Vancouver')); //implicit __toString()
$tomorrow = Carbon::now()->addDay();
$lastWeek = Carbon::now()->subWeek();
$nextSummerOlympics = Carbon::createFromDate(2016)->addYears(4);
$officialDate = Carbon::now()->toRfc2822String();
$howOldAmI = Carbon::createFromDate(1975, 5, 21)->age;
$noonTodayLondonTime = Carbon::createFromTime(12, 0, 0, 'Europe/London');
$internetWillBlowUpOn = Carbon::create(2038, 01, 19, 3, 14, 7, 'GMT');
// Don't really want this to happen so mock now
Carbon::setTestNow(Carbon::createFromDate(2000, 1, 1));
// comparisons are always done in UTC
if (Carbon::now()->gte($internetWillBlowUpOn)) {
die();
}
// Phew! Return to normal behaviour
Carbon::setTestNow();
if (Carbon::now()->isWeekend()) {
echo 'Party!';
}
echo Carbon::now()->subMinutes(2)->diffForHumans(); // '2 minutes ago'
// ... but also does 'from now', 'after' and 'before'
// rolling up to seconds, minutes, hours, days, months, years
$daysSinceEpoch = Carbon::createFromTimestamp(0)->diffInDays();
```
## Installation
### With Composer
```
$ composer require nesbot/carbon
```
```json
{
"require": {
"nesbot/carbon": "~1.21"
}
}
```
```php
< ?php
require 'vendor/autoload.php';
use Carbon\Carbon;
printf("Now: %s", Carbon::now());
```
< a name = "install-nocomposer" / >
### Without Composer
Why are you not using [composer ](http://getcomposer.org/ )? Download [Carbon.php ](https://github.com/briannesbitt/Carbon/blob/master/src/Carbon/Carbon.php ) from the repo and save the file into your project path somewhere.
```php
< ?php
require 'path/to/Carbon.php';
use Carbon\Carbon;
printf("Now: %s", Carbon::now());
```
## Docs
[http://carbon.nesbot.com/docs ](http://carbon.nesbot.com/docs )