Date
Date calculators for age, business days, and time differences.
Age Calculator
Calculate your exact age in years, months, and days from your birth date.
Try NowBusiness Days Calculator
Calculate the number of business days between two dates, excluding weekends and holidays.
Try NowCountdown to Date
Live countdown timer to any future date. See days, hours, minutes, and seconds remaining in real time.
Try NowDate Difference Calculator
Calculate the exact difference between two dates in years, months, days, total days, and total weeks.
Try NowAdd/Subtract Days Calculator
Add or subtract days, weeks, months, or years from any date. See the resulting date and day of the week.
Try NowDay of Week Finder
Find out which day of the week any date falls on. See the weekday name, week number, and day of the year.
Try NowTime Duration Calculator
Calculate the duration between two times of day. Get hours, minutes, total minutes, and total seconds with overnight support.
Try NowDate Format Converter
Parse any date and instantly view it in ISO 8601, US, EU, long localized, weekday, and Unix timestamp formats.
Try NowDays in Month Calculator
Find out how many days are in any month and year, with leap year detection and a full 12-month overview.
Try NowLeap Year Checker
Instantly check if any year is a leap year and find nearby leap years.
Try NowTimesheet Calculator
Track daily worked hours with start time, end time, and break minutes — get totals in HH:MM and decimal, plus optional pay calculation.
Try NowWeek Number Calculator
Find the ISO 8601 week number, day of the year, and days remaining for any date.
Try NowAge on Other Planets Calculator
Find out how old you would be on Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune based on each planet's orbital period.
Try NowChinese Zodiac Calculator
Find your Chinese zodiac animal and element by birth year — instantly, offline.
Try NowGeneration Finder
Find out which generation you belong to — Silent, Boomer, Gen X, Millennial, Gen Z, or Gen Alpha — by entering your birth year.
Try NowMoon Phase Calculator
Find the moon phase, illumination percentage, and emoji symbol for any date using a synodic-month algorithm.
Try NowZodiac Sign Calculator
Enter your birth date to instantly discover your Western zodiac sign, classical element, symbol, and key personality traits.
Try Now