Ключевые слова: accuracy, accurate, annual, appointment, business, calendar, change, clock, clouds, composite, concept, conceptual, countdown, date, day, daylight, deadline, event, future, hour, idea, management, measurement, month, monthly, nature, new year, nobody, numbers, objects, outdoor, page, passing, punctual, punctuality, reminder, savings, schedule, sky, time, time passing, timer, travel, urgency, urgent, watch, weather, week, year, yearly,