Time Tools
Practical date and time utilities.
Date Difference Calculator
Find how many days are between two calendar dates, with the difference in years, months and days and in weeks and days.
Date Calculator
Add or subtract days, weeks, months and years from a date, and see the resulting date and its weekday.
Countdown Timer
Set a time and count down to zero, with pause and resume, a large display and the time left in the browser tab.
Stopwatch
Measure elapsed time from zero with start, pause, resume and laps, showing each lap time, the total and the fastest and slowest lap.
Time Zone Converter
Convert a date and time from one time zone to others, with daylight-saving gaps and repeated hours explained, and find times that fall inside everyone's preferred hours. It runs in your browser.
Hours & Timesheet Calculator
Add up the hours you worked across several shifts: enter start and end times and unpaid breaks, including overnight shifts, and see each shift and the total in hours and minutes and in decimal hours. It runs in your browser.