Add current time to Calculate date in Nintex Online
Currently there is no way to get Current Time in Nintex workflow for Office 365. Kindly add this feature.
This is possible today. – see comments
This is possible today. Use the Set workflow variable action, setting the value of a variable of type = Date/time. An option to select "Ciurrent time" is presented. Select this and it will record the system date and time at that point in time.