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Time Calculators
Hours, minutes, time math, time cards, sleep and work-hour calculators. 34 free tools that run in your browser, no sign-up needed.
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Military Time ConverterConvert between 12-hour and 24-hour military time.Hours Calculator (Time Card)Weekly time card with breaks, overtime, pay, print and CSV.Time CalculatorAdd, subtract, multiply and divide times in hours, minutes and seconds.Time Duration CalculatorHours, minutes and seconds between two times, overnight too.Unix Timestamp ConverterConvert epoch timestamps to dates and back.Decimal Hours ConverterConvert decimal hours to hours and minutes and back, with a payroll timesheet.Tally CounterMultiple named click counters with keyboard shortcuts and vibration.TeleprompterFree online teleprompter with smooth auto-scroll, speed in words per minute, mirror and fullscreen.Time Card CalculatorWeekly timesheet: clock in/out times and breaks to total hours, overtime and gross pay.Business Hours CalculatorCount working hours and minutes between two dates, skipping nights, weekends and holidays.Flight Arrival Time CalculatorFind your local arrival time across time zones from departure time and flight length.Golden Hour CalculatorMorning and evening golden hour and blue hour times for any location and date.When to Leave for the Airport CalculatorWhen to leave home and arrive at the airport, from your flight, bags, security and drive.Hours From Now CalculatorFind what time it will be in any number of hours from now, or what time it was hours ago.Snowflake ID to TimestampDecode Discord, X/Twitter and custom snowflake IDs into creation date, worker ID and sequence.Time TrackerTrack time per task and project with start/stop timers, weekly totals, billable hours and CSV export.Wedding Day Timeline GeneratorBuild a minute-by-minute wedding day schedule from your ceremony time, printable for each vendor.5K Training Plan GeneratorRun/walk beginner, finish or time-goal 5K plans by race date, with daily sessions and paces.Baby Kick CounterCount baby's kicks with one tap, see the time to 10 movements and track your usual pattern.Knitting Row CounterCount rows with a big tap button, pattern repeats, increase reminders and saved projects.Nap CalculatorFind when to wake from a 20-minute power nap or 90-minute nap, plus the best time to nap.Stock Market Hours (Is the Market Open?)Live NYSE and Nasdaq status with countdown to the open or close, extended hours and holidays.Binge Watch CalculatorFind how long it takes to binge a TV series and the date you'll finish at your daily pace.Sehri and Iftar TimesRamadan timetable of sehri (suhoor) end and iftar times for any city, with a live countdown.Shabbat TimesCandle lighting and Havdalah times for any city and week, plus a table of upcoming Fridays.Meat Smoking Time CalculatorSmoke time for brisket, pork butt, ribs and more, with stall, rest and when to start for dinner.Telling Time GameKids' clock game: read the analog clock or set the hands, with 5 levels, stars and hints.Telling Time Worksheet GeneratorPrintable clock worksheets: read or draw the time to the hour, half, quarter, 5 or 1 minute, with answer key.Time Blocking PlannerDrag to create time blocks on a day or week grid, color them by category and compare plan vs actual.Time Clock Rounding CalculatorRound punch times to 5, 6 or 15 minutes (7-minute rule) and see rounded payable hours.Day Count Convention CalculatorDay count and year fraction for 30/360, 30E/360, Actual/360, Actual/365 and Actual/Actual.Pressure Cooker Time ConverterConvert stovetop, oven or slow cooker recipes to pressure cooker time and liquid.Sleep Regression CalculatorDates of your baby's 4, 8, 12 and 18 month sleep regressions and growth spurts.Sleep Schedule AdjusterGradually shift your bedtime and wake-up time with a day-by-day plan.
About Time Calculators
Add and subtract hours and minutes, total up time cards, convert to military or decimal hours, and work with Unix timestamps. Payroll, shift work and programming are the usual reasons to need them.
Most used here: Military Time Converter, Hours Calculator (Time Card) and Time Calculator.