Gmail Show Time
Shows full date/time in email listing and detail headers.
What is Gmail Show Time?
Gmail Show Time is a Firefox add-on that enhances Gmail by showing the full date and time information in email listings and headers. Get the latest version 3.3.7 for the new Gmail layout fix.
Google mail (mail.google.com) shows the date of an email in the last column of your email overview. Depending on how old the email is, the display format changes.
In all cases, I wanted to see the time of the emails. This extension does exactly that.
Version 3.3.7 updates contains fix for new Gmail layout.
Gmail Show Time may not be safe to use and it requires some risky permissions. Exercise caution when installing this add-on. Review carefully before installing.
Gmail Show Time has earned a fairly good reputation and likely can be trusted.