1. I'm living in Aruba, and right now it's 3.10 am here, and I added days and timing as Monday - Saturday 8 am - 5 pm. Which mean according to Aruba, when it's Monday - Saturday 8 am - 5 pm - I'm available on WhatsApp.
2. Right now it's 12.40 pm in India - but WhatsApp is visible on my website which means people can send me a message from India because it's 12.40 pm there while it's 3.10 am in Aruba.
To resolve this issue, there should be a time zone option so admin can choose according to which timezone WhatsApp should be visible for visitors.