THE ZENUTILITY TOOLBOX

Time & planning Tools

Browse calculators, calendars, timers and reference tools. The complete collection is below.

Time & planning

Convert a date and time between world time zones. See the destination date, UTC offset and daylight saving time for your chosen moment.

Compare the same meeting across three time zones, with local dates and a working-hours indicator for every participant.

Check the current local time and date in cities around the world. Add a time zone to your clock board without creating an account.

Calculate a seven-day timesheet with unpaid breaks, overnight shifts and totals in hours and minutes or decimal hours.

Measure elapsed time from a past date and time to now, with a live counter in total days, hours, minutes and seconds.

Add or subtract hours, minutes and seconds without treating them as decimal numbers or clock dates.