Date, Time and Age Tools
Calculate ages, date differences, countdowns, working days and time zones with precise date and time tools.
50 tools in this category
Age Calculator
Find your age in years, months and days.
Date Difference Calculator
Count the days between two dates.
Add Days to Date
Find a future date by adding days.
Subtract Days from Date
Find a past date by subtracting days.
Countdown Timer
Count down to an event.
Count-Up Timer
Count time since an event.
Days Until Date
Find the days remaining to a date.
Days Since Date
Find the days elapsed since a date.
Week Number Calculator
Find the ISO week of the year.
Day of Week Finder
Find the weekday of any date.
Business Days Calculator
Count working days between dates.
Add Business Days
Add working days and skip weekends.
Working Hours Calculator
Find hours worked between times.
Time Duration Calculator
Find the duration between two times.
Time Zone Converter
Convert a time across zones.
World Clock
Show many cities at once.
Meeting Time Planner
Find the best slot across zones.
Unix Timestamp Converter
Convert between epoch and date.
Epoch Time Now
Show the current unix timestamp.
Date to Timestamp
Convert a date to an epoch number.
Leap Year Checker
Check whether a year is a leap year.
Zodiac Sign Finder
Find a star sign from a birthdate.
Chinese Zodiac Finder
Find the animal for a birth year.
Birthday Countdown
Count down days to a birthday.
Anniversary Countdown
Count down days to an anniversary.
Retirement Date Calculator
Find your retirement date.
Pregnancy Countdown
Count down days to a due date.
Age in Days
Find the total days you have lived.
Age in Seconds
Find the total seconds you have lived.
Half-Birthday Finder
Find your half-birthday date.
Moon Phase Calculator
Find the moon phase for a date.
Season Finder
Find the season for a date.
Quarter of Year
Find the fiscal quarter of a date.
Time Card Calculator
Total clock-in and clock-out times.
Stopwatch
Time events precisely.
Lap Timer
Record multiple lap times.
Alarm Clock
Set an in-page alarm.
Recurring Date Generator
List repeating dates.
Date Format Converter
Reformat date strings.
Weeks Between Dates
Count weeks between two dates.
Months Between Dates
Count months between two dates.
Hours Between Times
Find the hours between two times.
Add Time Calculator
Add durations together.
Subtract Time Calculator
Subtract one duration from another.
Deadline Calculator
Find a due date from today.
Anniversary Milestones
List upcoming milestone dates.
Time Percentage of Day
Find how much of the day has passed.
Golden Birthday Finder
Find when your age matches your date.
Countdown to New Year
Count down days to New Year.
Sunrise/Sunset Estimator
Estimate sunrise and sunset times.