Date Calculators

Calculate the number of days between two dates. See the duration in weeks, months, years, and business days, with the option to include the end day.

Add or subtract days, weeks, months, or years from any date. See the resulting date, its day of the week, and the total difference in days.

Calculate hours worked from your start and end time, minus your break. Get the result in hours and minutes, in decimal, and your total pay from an hourly rate. Handles overnight shifts.

Count down to any date and see exactly how much time is left in years, months, and days, plus the totals in days, weeks, and hours. Free online countdown calculator for holidays, birthdays, weddings, and deadlines.

Add or subtract hours and minutes from any starting time. Get the resulting time in 24-hour format, plus how many days it rolls over past midnight, instantly and for free.

Find out what day of the week any date falls on, past or future. Enter a date and instantly see the weekday and the day number within the year.

Add up the hours you worked each day of the week and get your weekly total, plus your total pay if you enter an hourly rate. A simple online timesheet calculator.

Find the ISO week number, the day of the year and the days remaining for any date. Enter a date and get the ISO 8601 week, day-of-year (1–366) and weekday instantly.

Enter your date of birth and instantly find your zodiac sign. This free calculator uses the Western tropical zodiac date ranges to reveal your sun sign, from Aries to Pisces.