Free time and date tools

Work out an age, the days between two dates, working days around the Saudi weekend and holidays, a timesheet with overtime, sunrise and golden hour, a time-zone planner, plus a stopwatch, timer and Pomodoro. Free, no sign-up, all in your browser.

Time Card Calculator — Total a week of shifts with breaks, overnight shifts and overtime, and read it both as hours and minutes and as the decimal hours a payroll system asks for. It knows the Saudi 8-hour day, the 6-hour Ramadan day and overtime at 150%, all as defaults you can change. Nothing is uploaded.
Pomodoro Timer — A distraction-free Pomodoro timer: work in focused sprints, take short and long breaks, and let it cycle automatically with a gentle chime and a round counter. Custom lengths are remembered on your device. Runs entirely in your browser.
Age Calculator — Enter a birth date to see the exact age in years, months and days, the totals in months, weeks and days, the weekday you were born on, and a countdown to the next birthday. Runs entirely in your browser.
Working Days Calculator — Count the working days between two dates, excluding the weekend — Friday–Saturday for Saudi Arabia or Saturday–Sunday elsewhere — with totals for calendar days and weekend days. Runs entirely in your browser.
Countdown Timer — Set a target date and time — a deadline, launch, trip or celebration — and watch a live countdown of days, hours, minutes and seconds tick down. Your event is remembered on this device. Runs entirely in your browser.
Date Diff — Find the exact duration between two dates — years, months, days, plus total days and weeks. Runs entirely in your browser.
Sunrise, Sunset & Golden Hour — Sunrise, sunset, solar noon, the three twilights, and the golden and blue hours for any place and date — computed from the sun’s actual altitude rather than a rule of thumb like “an hour after sunrise”. Shows the Hijri date and prayer times for the same spot.
Time Zone Planner — Add the places your people are in and see the whole day at once, colour-coded by whether each hour lands in working hours, at the edges, or in the middle of the night. It ranks the best slots for everyone, with daylight saving on the chosen date already handled.
Stopwatch & Timer — A stopwatch with laps and a countdown timer with an alarm, in one place. Both take their time from the clock rather than by counting ticks, so switching tabs, locking the phone or leaving it in the background does not lose the minutes in between — which is what usually goes wrong with a timer in a browser.

Free time and date tools

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