Ключевые слова: 20, 20 february, agenda, appointment, birthday, block, business, calendar, celebrate, celebration, concept, conceptual, cube, date, day, deadline, education, elearning, event, february, february calendar, freelance, holiday, international, job, labor, lifestyle, month, monthly, notice, number, office, organizer, plan, planner, planning, reminder, schedule, season, start, symbol, time, twentieth day february, week, white, winter, wooden, work, workplace,