How long will it take to migrate whole website from Bigcommerce to Shopify?

I am noobie in this field currently using Bigcommerce as my current platform. I'm looking for a timeline for migrating my data from Bigcommerce to Shopify what is the roughly timeline for that. Thanks for anyone's help. submitted by /u/cherub-ls [link] [comments] https://www.reddit.com/r/ecommerce/comments/m1efvl/how_long_will_it_take_to_migrate_whole_website/