LaboratorU
Date and time
Local date duration, add-days, ISO week, and timestamp utilities.
Unix TimeConvert Unix timestamps and ISO dates locally in your browser.Date DurationCount calendar days and weeks between two dates locally in your browser.Add DaysAdd or subtract whole calendar days from a date locally in your browser.ISO WeekFind the ISO week-year, week number, and weekday for a date locally.WeekdaysCount weekdays and weekend days between two dates locally.Work HoursEstimate work days and work hours between dates with local weekday rules.Time DurationCalculate minutes and hours between two HH:MM times locally.ICS EventGenerate a simple calendar .ics event locally from pasted event fields.ICS InspectInspect pasted ICS calendar text for event fields and basic structural warnings.