Countdowns
Find the right tool for your next date, deadline or countdown.
Days Until
Find the calendar days from today to a target date. Today follows the selected time zone.
Days Since
Count elapsed calendar days from a past date to today in the selected time zone.
Countdown Calculator
Choose a target date and time for a live countdown. Birthday and anniversary modes can repeat every year.
Birthday Countdown
Choose a target date and time for a live countdown. Birthday and anniversary modes can repeat every year.
Wedding Countdown
Choose a target date and time for a live countdown. Birthday and anniversary modes can repeat every year.
Vacation Countdown
Choose a target date and time for a live countdown. Birthday and anniversary modes can repeat every year.
Exam Countdown
Choose a target date and time for a live countdown. Birthday and anniversary modes can repeat every year.
Retirement Countdown
Choose a target date and time for a live countdown. Birthday and anniversary modes can repeat every year.
School Countdown
Choose a target date and time for a live countdown. Birthday and anniversary modes can repeat every year.
Birthday Calculator
Find the date a person reaches a specific age. Leap-day birthdays use February 28 in common years.
Anniversary Calculator
Find a future anniversary from the original date and anniversary number.
Retirement Date Calculator
Find the date a person reaches a chosen retirement age. Enter a birth date and target age.
Days Old Milestone Calculator
Find your 10,000th day or another chosen day-count milestone directly from a birth date.
Keep exploring
View the tool libraryDays Between Dates
Compare two dates with calendar days, complete weeks and weekday counts. Choose whether to include the end date.
Business Days Calculator
Count working days using your weekend pattern and optional excluded dates. Public holidays are excluded only when entered.
Day of the Week
Inspect a Gregorian date, leap-year rules, ISO week numbers and a printable month calendar.
Time Zone Converter
Convert an exact UTC instant to another IANA time zone.
