Digital wristwatch, digital watch, and digital clock. For example, a digital wristwatch comprises: a clocking module able to track: (a) current real time, and (b) rounded time; and a display unit able to display at least the rounded time. Additionally or alternatively, the digital wristwatch comprises: a clocking module able to determine current real time; a rounding unit able to determine that the real current time is at least two seconds prior to a rounded horological hour, and able to calculate rounded-up horological information; and a display unit able to display the rounded-up horological hour.