What is the hook for programmatically creating orders in WooCommerce?

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The hook for programmatically creating orders in WooCommerce is 'woocommercecheckoutcreate_order'. This hook is triggered during the checkout process and allows you to create a new order object with the customer's information, shipping and billing details, and order items. You can use this hook to add custom order meta data, update order status, send order confirmation emails, and perform other actions on the newly created order object.