How do I change my user name? October 18, 2017 07:57 Updated From the ZeTime mobile App Go on the Settings tab. Click on My Profile. Click on User field. Tap your User name. Click Save. Related articles How does synchronization work? How to setup my ZeRound with an Android device? MyKronoz Academy - ZeCircle2 Tutorial How do I sync my data? How do I download the MyKronoz app?