Date & Calendar Calculators

Count working days between any two dates or add business days to compute legal notice deadlines, court filings, T+1 trade settlements, and shipping transit times.

Calculate total days, weeks, months, and years between any two calendar dates with instant breakdown into full years, months, and remaining days.

Determine exact chronological age down to days and hours. Discover your day of birth, lifetime heartbeats, 10,000 days alive date, and planetary ages.

Real-time ticking countdown to major holidays (New Year, Christmas, Halloween) or create a customized live ticker for weddings, exams, or retirement.

Interactive 24-hour visual schedule comparing working hours across New York, London, Tokyo, Sydney, San Francisco, Paris, and Dubai.

Find out what day of the week any historical or future date fell on. Powered by perpetual calendar algorithms with historical trivia and leap year checks.