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Notice Period CalculatorEstimate notice-period end offset using calendar days, working-day adjustment, and handover buffer.Score 66noticecalendardaysBusiness Days CalculatorEstimate business days from calendar days and weekend days.Score 34dayscalendarDays to Weeks CalculatorConvert days into weeks and months.Score 30daysContract Duration CalculatorCalculate contract duration from months, renewal terms, notice period, and extension days.Score 26noticedaysFertile Window CalculatorEstimate fertile window and approximate ovulation date from cycle timing.Score 24calendardaysRamadan Countdown CalculatorCalculate days remaining to a target Ramadan date from current day number.Score 22daysPeriod Date CalculatorEstimate upcoming period dates from your last period start date, cycle length, and period duration.Score 22calendarAge CalculatorCalculate exact age in years, months, days, total days, and next birthday countdown.Score 16daysDate Difference CalculatorCalculate day, week, month, and year differences from total day counts.Score 14daysOvulation CalculatorEstimate ovulation day from cycle length and luteal phase.Score 12calendarProductivity Score CalculatorCalculate a productivity score from completed tasks, focus time, interruptions, and planned tasks.Score 12daysFasting Duration CalculatorCalculate fasting duration from suhoor/fajr offset and iftar/maghrib offset.Score 12daysMinutes to Hours CalculatorConvert minutes into hours and days.Score 4daysDeadline Buffer CalculatorCalculate remaining buffer days before a deadline.Score 4daysAbsenteeism Rate CalculatorCalculate absenteeism rate from absent days, employees, and scheduled workdays.Score 4daysTime to Fill CalculatorCalculate average time to fill open roles from total vacancy days and filled positions.Score 4daysJet Lag CalculatorEstimate jet lag adjustment days from time zones crossed and travel direction factor.Score 4daysPregnancy Due Date CalculatorEstimate days to due date from current pregnancy week and day.Score 4daysDeadline CalculatorEstimate deadline offset from start day, duration, review buffer, and weekend/holiday adjustment.Score 4daysWork Hours CalculatorCalculate work hours after breaks, overtime, and shift count.Score 4days