Barclays live chat is open for the following hours
24 hours a day 7 days a week including holidays and Christmas day
The live chat facility is accessible for most areas of banking, simply select your query from the menu and it will tell you if you are able to use live chat to answer it. Like most banks within this category, it is great that the service is 24 hours a day.
In order to start a chat, you need to download their mobile application from the link below and go to the support section.
To access the Barclays Live Chat click on the image below