New class and interface created for time format convertion

Author: bnymn

app/code/Magento/Store/etc/di.xml

@@ -294,6 +294,12 @@
             <argument name="scopeType" xsi:type="const">Magento\Store\Model\ScopeInterface::SCOPE_STORE</argument>
         </arguments>
     </type>
+    <type name="Magento\Framework\Stdlib\DateTime\Timezone\LocalizedDateToUtcConverter">
+        <arguments>
+            <argument name="defaultTimezonePath" xsi:type="const">Magento\Directory\Helper\Data::XML_PATH_DEFAULT_TIMEZONE</argument>
+            <argument name="scopeType" xsi:type="const">Magento\Store\Model\ScopeInterface::SCOPE_STORE</argument>
+        </arguments>
+    </type>
     <type name="Magento\Framework\Locale\Resolver">
         <arguments>
             <argument name="defaultLocalePath" xsi:type="const">Magento\Directory\Helper\Data::XML_PATH_DEFAULT_LOCALE</argument>

app/etc/di.xml

@@ -146,6 +146,7 @@
     <preference for="Magento\Framework\Locale\FormatInterface" type="Magento\Framework\Locale\Format" />
     <preference for="Magento\Framework\Locale\ResolverInterface" type="Magento\Framework\Locale\Resolver" />
     <preference for="Magento\Framework\Stdlib\DateTime\TimezoneInterface" type="Magento\Framework\Stdlib\DateTime\Timezone" />
+    <preference for="Magento\Framework\Stdlib\DateTime\Timezone\LocalizedDateToUtcConverterInterface" type="Magento\Framework\Stdlib\DateTime\Timezone\LocalizedDateToUtcConverter" />
     <preference for="Magento\Framework\Communication\ConfigInterface" type="Magento\Framework\Communication\Config" />
     <preference for="Magento\Framework\Module\ResourceInterface" type="Magento\Framework\Module\ModuleResource" />
     <preference for="Magento\Framework\Pricing\Amount\AmountInterface" type="Magento\Framework\Pricing\Amount\Base" />

lib/internal/Magento/Framework/Stdlib/DateTime/Timezone/LocalizedDateToUtcConverter.php

@@ -0,0 +1,86 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Framework\Stdlib\DateTime\Timezone;
+
+use Magento\Framework\Locale\ResolverInterface;
+use Magento\Framework\App\Config\ScopeConfigInterface;
+
+/**
+ * Class LocalizedDateToUtcConverter
+ */
+class LocalizedDateToUtcConverter implements LocalizedDateToUtcConverterInterface
+{
+    /**
+     * Contains default date format
+     *
+     * @var string
+     */
+    private $defaultFormat = 'Y-m-d H:i:s';
+
+    /**
+     * @var ResolverInterface
+     */
+    private $localeResolver;
+
+    /**
+     * @var ScopeConfigInterface
+     */
+    private $scopeConfig;
+
+    /**
+     * @var string
+     */
+    private $scopeType;
+
+    /**
+     * @var string
+     */
+    private $defaultTimezonePath;
+
+    /**
+     * LocalizedDateToUtcConverter constructor.
+     *
+     * @param ResolverInterface $localeResolver
+     */
+    public function __construct(
+        ResolverInterface $localeResolver,
+        ScopeConfigInterface $scopeConfig,
+        $scopeType,
+        $defaultTimezonePath
+    )
+    {
+        $this->localeResolver = $localeResolver;
+        $this->scopeConfig = $scopeConfig;
+        $this->scopeType = $scopeType;
+        $this->defaultTimezonePath = $defaultTimezonePath;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function convertLocalizedDateToUtc($date)
+    {
+        $locale = $this->localeResolver->getLocale();
+        $formatter = new \IntlDateFormatter(
+            $locale,
+            \IntlDateFormatter::MEDIUM,
+            \IntlDateFormatter::MEDIUM,
+            $this->getConfigTimezone(),
+            null,
+            null
+        );
+        $unixTime = $formatter->parse($date);
+        $dateTime = new DateTime($this);
+        $dateUniversal = $dateTime->gmtDate(null, $unixTime);
+        $date = new \DateTime($dateUniversal, new \DateTimeZone($this->getConfigTimezone()));
+
+        $date->setTimezone(new \DateTimeZone('UTC'));
+
+        return $date->format($this->defaultFormat);
+    }
+}

lib/internal/Magento/Framework/Stdlib/DateTime/Timezone/LocalizedDateToUtcConverterInterface.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Framework\Stdlib\DateTime\Timezone;
+
+interface LocalizedDateToUtcConverterInterface
+{
+    /**
+     * @param string $data
+     * @return string
+     */
+    public function convertLocalizedDateToUtc($date);
+}