Log in to your Glow account and go to Clients > Live Clients from the main left hand menu.
Find the client for who you want to view the Uptime data and click on their name.
You will now be shown the Client Area. From the inner menu select Uptime.
You will now see the current Uptime status across the top of the Uptime section.
You will see a large green box if the site is currently up.
You will see a large red box if the site is currently down.
Below the status you will see an Events section, detailing the dates and times of when the site has been Up and Down since you started monitoring Uptime in Glow for this website.