Stock photography, photos: Antique Hourglass Stock photos of Antique hourglass with a wooden frame and black background Photograph: © Jonathan Douglas Click for a larger image and more information Keywords associated with this stock photo: hours, minutes, seconds, time, passing time, time passing, time passage, wasted time, wasting time, limited time, sands, hourglass, hourglasses, hour glass, schedules, timetables, plans, planning, time management