Ключевые слова: 20, 20th, appointment, astrology, background, business, calendar, calender, card, concept, conceptual, corporate, cubes, date, day, deadline, diary, earth, equinox, event, frame, guidance, guide, horizontal, idea, industrial, list, mar, march, meat, meeting, month, note, number, object, organizer, page, planetaria, reminder, sheet, sign, spring, symbol, textured, time, twentieth, twenty, vernal, week, year,