Date & Time
23 tools available. All free, all private.
Convert timestamps, calculate date differences, set countdown timers, and work with time zones. Essential tools for developers, project managers, and anyone who works with dates and scheduling across time zones.
When to Use Date & Time
- Converting Unix timestamps to readable dates and back
- Calculating the difference between two dates
- Setting countdown timers for deadlines or events
- Converting times across different time zones
- Using Pomodoro technique for focused productivity
Popular Date & Time
Timezone Converter
Convert time between timezones with world clock
Date Difference Calculator
Calculate the exact difference between two dates
Unix Timestamp Converter
Convert Unix timestamps to dates with live clock
Age from Date Calculator
Calculate exact age with birthday countdown
Days Until Calculator
Count down to any date — days, weeks, hours remaining
Calendar Week Calculator
Find the ISO week number for any date
Stopwatch
Precise stopwatch with lap times — millisecond accuracy
World Clock
Current time in cities worldwide — auto-updating
Business Days Calculator
Calculate business days — exclude weekends and holidays
Date Formatter
Format dates in ISO, US, EU, long form, and custom formats
Time Duration Calculator
Calculate duration between two dates and times
Age in Days Calculator
Calculate your exact age in days
Birthday Countdown
Countdown to your next birthday
Date Add/Subtract Calculator
Add or subtract from any date
Epoch to Date Converter
Convert epoch timestamps to dates
Holiday Calendar
View public holidays by country
Leap Year Checker
Check if a year is a leap year
Quarter Calculator
Find the quarter for any date
Week Number Calculator
Find the week number for any date
Work Hours Calculator
Calculate work hours and pay