Convert minutes to hours and days. Add or subtract minutes from a time. Calculate the…

Calculate the current Lunar Age (days since New Moon). Track the moon's phase cycle and…

Is this year a leap year? Check any year instantly. Learn the leap year rules…

Calculate your "Korean Age" (Se-neun Nai) and compare it with your International Age. Understand the…

Calculate total hours and minutes. Add or subtract time blocks easily (e.g., 2h 30m +…

A live counter showing every second passing. Count seconds since a date or countdown to…

What day of the year is it? Find the sequential day number (1-365 or 366).…

Count the number of days between two dates. Calculate total days, working days (weekdays), and…

Calculate the exact difference between two dates in years, months, weeks, days, hours, and minutes.…

Calculate your exact chronological age in years, months, and days. view your age in decimal…