numcal. / DATE TOOLS — PLATE 02

Everyday date & time arithmetic.

Twelve small instruments, no ceremony.

Everyday

Days until…countdown to any date — or Christmas, in one click Days between datescalendar days, weekdays, weeks — inclusive or not Add or subtract daysdays, weeks, months, years or business days Hours between times“9:15 to 5:40 is how long?” — breaks & overnight handled Add or subtract time“6 h 45 m after 9:30 is when?” Age calculatorexact years, months & days — and your next birthday Day of the weekwhat day was — or will be — any date Reading timehow long will that book take you? measure your pace, get a date Time zone converter“3 pm in New York is what here?” World clocklive time in the cities you pick — remembered for next visit

At work

Timesheet calculatorweekly work hours, decimal time & pay Week numberISO week of any date, dates of any week Unix timestampepoch ⇄ human date, live clock — for the developers

Field notes

Where does this run?

Entirely in your browser. Dates you type are never sent anywhere — there is no server doing the math, no analytics watching you do it.