The GMAT® Exam Will Be 30 Minutes Shorter (The Official GMAT Blog) Published April 4, 2018 by Official GMAT 0 There's an even better reason to take the GMAT® exam. Starting on April 16, the GMAT® exam will be a half hour shorter, saving you valuable time. Official GMAT Published in GMAT, GMAC, Blog and GMAT Prep