A time signal is a visible, audible, mechanical, or electronic signal used as a reference to determine the time of day.
Read more about Time Signal: Audible and Visible Time Signals, Electrical Time Signals
Famous quotes containing the words time and/or signal:
“...every woman who has any margin of time or money to spare should adopt some one public interest, some philanthropic undertaking, or some social agitation of reform, and give to that cause whatever time and work she may be able to afford ...”
—Frances Power Cobbe (1822–1904)
“Change begets change. Nothing propagates so fast. If a man habituated to a narrow circle of cares and pleasures, out of which he seldom travels, step beyond it, though for never so brief a space, his departure from the monotonous scene on which he has been an actor of importance would seem to be the signal for instant confusion.... The mine which Time has slowly dug beneath familiar objects is sprung in an instant; and what was rock before, becomes but sand and dust.”
—Charles Dickens (1812–1870)