Time & Date
Tools for time, dates, ages, and countdowns.
Showing 19 of 19 tools
Age Calculator
Calculate exact age in years, months, days
Birthday Facts Calculator
Discover fun facts about your birthday including day of week, zodiac sign, and milestones
Countdown Calculator
Create countdown to any date
Cron Expression Calculator
Build, parse and validate cron expressions with human-readable descriptions and next run times
Date Calculator
Add or subtract days from a date
Date Difference Calculator
Calculate days, weeks, months between dates
Day of Year Calculator
Calculate which day of the year
Event Countdown Calculator
Count down to any event with live seconds display
Hours Calculator
Calculate hours between times
Leap Year Calculator
Check if a year is a leap year
Meeting Time Zone Scheduler
Find the best meeting time across multiple time zones.
Military Time Converter
Convert between 12-hour and 24-hour time
Sleep Cycle Calculator
Calculate ideal bedtimes or wake times based on 90-minute sleep cycles.
Time Duration Calculator
Calculate duration between two times
Time Zone Converter
Convert time between time zones
Unix Timestamp Converter
Convert Unix timestamp to date and vice versa
Week Number Calculator
Find the week number of any date
Work Hours Calculator
Calculate work hours and overtime
Working Days Calculator
Calculate business days between dates