A time display device, including: an indication display unit which displays a content according to an indicating operation, and a processor, wherein in a case where a remaining time with respect to a reference set time of an elapsed time from a measuring start timing is greater than a predetermined reference remaining time, the processor makes the indication display unit display a ratio of the remaining time with respect to the reference set time, and in a case where the remaining time is equal to or less than the predetermined reference remaining time, the processor makes the indication display unit display the remaining time.