Time & Date Tools
Calculate date differences, track time zones, and run countdowns and stopwatches — all running live in your browser tab.
Countdown Timer
Set a countdown to any future date and time, with a live running display.
Stopwatch
A simple browser stopwatch with lap tracking, accurate to the millisecond.
World Clock
See the current time in multiple cities and time zones at a glance.
Leap Year Checker
Check instantly whether any year is a leap year, and see the next ones coming up.
Date Calculator
Add or subtract days, weeks, months or years from a date and see the day of the week.
Business Days Calculator
Count working days between two dates, automatically excluding weekends.
Time Zone Converter
Convert a specific time from one time zone to another for scheduling across regions.
Time Unit Converter
Convert between seconds, minutes, hours, days and weeks.
Time Duration Calculator
Calculate the total duration between a start time and end time, including overnight shifts.
Add Business Days Calculator
Find the resulting date after adding a number of working days to a start date.
Frequently Asked Questions
Do the timers keep running if I close the tab?
Do these tools account for time zones automatically?
Are these tools accurate?
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