Free date tools
Free date calculators.
Find days between dates, count down to a birthday, or calculate trip days and nights. Use the calculators here without an account.
20 results
Days between dates calculator
Find the number of days between two dates. See full weeks and remaining days, plus a count that includes both dates.
Days until a date calculator
Find how many days are left until a birthday, trip, or other date. Count from today or another start date.
Days since a date calculator
Calculate how many days have passed since a birthday, wedding, or milestone. See full weeks and remaining days.
Weeks between dates calculator
Find the number of full weeks and remaining days between two dates. Calculate the length of a wait without rounding away the extra days.
Weekdays between dates calculator
Count Monday through Friday dates between a start and end date. Weekends are excluded. Public holidays stay included.
Weekend days between dates calculator
Count Saturdays and Sundays between two dates. See how many weekend days fall after the start date and through the end date.
Inclusive date range calculator
Count days including both the start and end date. Use the inclusive result for a trip or event that spans several calendar dates.
Add or subtract days from a date
Find the date before or after a starting date. Add or subtract whole calendar days, including weekends and holidays.
Add or subtract weeks from a date
Find a date a number of weeks before or after another date. Each week adds or subtracts seven days and keeps the same weekday.
Add or subtract months from a date
Calculate a date before or after a number of calendar months. When the day is missing, the result uses that month's final day.
Leap year calculator
Check whether a year is a leap year. See whether February has 28 or 29 days and how many days the year contains.
Days in a month calculator
Find how many days are in a selected month and year. Check February in leap years without assuming every month has the same length.
Next weekday date calculator
Find the next Friday, Monday, or another weekday after your chosen date. A matching weekday today returns the following week.
Trip days and nights calculator
Calculate how many calendar days and nights a trip spans. Friday to Sunday covers three dates and two nights.
Countdown milestone dates calculator
Find the dates 100, 30, 14, seven, and one day before an event. Use them to plan preparation tasks ahead of the main date.
Countdown progress calculator
Find what percentage of the wait has passed between a start and target date. See the elapsed days and days remaining.
Hours between two dates and times (UTC)
Calculate the hours, remaining minutes, and seconds between two UTC dates and times. Both inputs use UTC rather than local time.
Minutes between two dates and times (UTC)
Find the minutes and remaining seconds between two UTC dates and times. Use a precise interval without rounding to whole hours.
Days until your next birthday calculator
Find the days until your next birthday and your age on that date. Choose how to count a February 29 birthday in non-leap years.
Next anniversary countdown calculator
Find your next anniversary, the days left, and completed years. Use the original date and choose a rule for February 29.