Microsoft PowerPoint lets you insert the Current date and time within a Text Box on the slides. It also gives you an option of updating it automatically. True to its word, PowerPoint does update this field automatically but only at the start of the slide show. After that the date/time value remains the same throughout the slide show. You can get around this limitation using OfficeOne AutoDateTime.
AutoDateTime keeps the inserted date/time up-to-date with the current system date/time. You can also configure AutoDateTime to show the time elapsed from the start of show. AutoDateTime also lets you customize the date and time display in a variety of formats.
AutoDateTime works with Microsoft PowerPoint 2010, Microsoft Office PowerPoint 2007 SP2, Microsoft Office PowerPoint 2003, Microsoft PowerPoint 2002 (XP) and Microsoft PowerPoint 2000. Download and install AutoDateTime - it will automatically register with your PowerPoint environment. You can access AutoDateTime on the Insert tab (PowerPoint 2007 and later versions) or the AutoDateTime menu item in the Format menu (PowerPoint 2003 and earlier versions).