Log in to the Sinch Customer Dashboard and select the User Profile option from the Settings menu on the left panel. The User Profile page is displayed. Scroll down to the Timezone and Date section:
To change your Time zone and Date settings, select your Time zone from the Timezone field and your preferred date format from the Date Format field. Select the 24 Hour Clock option if you want to display times in 24 hour format. Click SAVE, to save your changes.