The now function creates a new Illuminate\Support\Carbon instance for the current time:
<?php $now = now();
<?php     public function handle(Login $event)

    {

        if ($event->user instanceof StatamicUser) {

            User::fromUser($event->user)->setLastLogin(now());

        }

    }

}
<?php         Cache::put($cacheKey, [

            'completed' => false,

            'output' => $this->output .= $output,

        ], now()->addMinutes(self::CACHE_EXPIRY_MINUTES));

    }
<?php         Cache::put($cacheKey, [

            'completed' => true,

            'output' => $this->output,

        ], now()->addMinutes(self::CACHE_EXPIRY_MINUTES));

    }
<?php             return true;

        }



        if ($collection->pastDateBehavior() === 'private' && $this->date()->lte(now())) {

            return true;

        }
<?php             'config'     => config()->all(),

            'fields'     => $this->getRenderableFieldData(Arr::except($augmented, ['id', 'date', 'form'])),

            'site_url'   => Config::getSiteUrl(),

            'date'       => now(),

            'now'        => now(),

            'today'      => now(),

            'site'       => $this->site->handle(),
<?php             'fields'     => $this->getRenderableFieldData(Arr::except($augmented, ['id', 'date', 'form'])),

            'site_url'   => Config::getSiteUrl(),

            'date'       => now(),

            'now'        => now(),

            'today'      => now(),

            'site'       => $this->site->handle(),

            'locale'     => $this->site->handle(),
<?php             'site_url'   => Config::getSiteUrl(),

            'date'       => now(),

            'now'        => now(),

            'today'      => now(),

            'site'       => $this->site->handle(),

            'locale'     => $this->site->handle(),

        ]);
<?php     public function dispatchCommit($message = null)

    {

        if ($delay = config('statamic.git.dispatch_delay')) {

            $delayInMinutes = now()->addMinutes($delay);

            $message = null;

        }
<?php     {

        $this->waitIfProcessing();



        Cache::put($this->mutex(), true, now()->addMinutes(5));



        try {

            $path = $this->generator->generateByAsset(
<?php         ])->merge($fields->values());



        if ($collection->dated()) {

            $values['date'] = substr(now()->toDateTimeString(), 0, 10);

        }



        $viewData = [
<?php             ->data($values);



        if ($collection->dated()) {

            $entry->date($preview['date'] ?? now()->format('Y-m-d-Hi'));

        }



        return $this->getDataResponse($request, $entry)->getContent();
<?php         }



        if ($entry->published()) {

            WorkingCopy::fromRevision($target)->date(now())->save();

        } else {

            $entry->makeFromRevision($target)->published(false)->save();

        }
<?php         $lastActivity = session('last_activity', now()->timestamp);



        return Carbon::createFromTimestamp($lastActivity)

            ->addMinutes(config('session.lifetime'))
<?php         }



        if ($entry->published()) {

            WorkingCopy::fromRevision($target)->date(now())->save();

        } else {

            $entry->makeFromRevision($target)->published(false)->save();

        }
<?php             return;

        }



        session()->put('last_activity', now()->timestamp);



        parent::saveSession($request);

    }