Count business days until a due date
Skip weekends automatically so you know the true follow-up date.
Time & Scheduling
Time & Scheduling calculators
Count workdays, add or subtract days, and translate timelines without wasting time in spreadsheets.
Business-day & weekday countersDate addition and countdown toolsOutputs you can drop into briefs
Perfect for
- •Project managers and coordinators
- •Remote and distributed teams
- •Travel planners and operations leads
What you can solve
Common scenarios
Business-day, date difference, and planning calculators that keep deadlines, countdowns, and follow-ups on track.
Add or subtract days from any kickoff
Plan nurture sequences, shipping windows, or travel itineraries instantly.
Translate timelines for handoffs
Share start and end dates with stakeholders without manual calendar math.
Pick a tool
Featured time & scheduling calculators
Browse the live tools below or request a new calculator if you need something specific.
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Add Days to Date Calculator
Add or subtract days from any date and get the resulting calendar date instantly.
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Subtract Days from Date Calculator
Work backward from any due date by subtracting a set number of days to see when prep work must begin.
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Business Days Calculator
Add business days to a start date while skipping weekends automatically.
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Work Hours Calculator
Calculate total hours worked between two times, factoring in unpaid breaks and overnight shifts.
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Week Number Calculator
Find the ISO week number (W01–W53) and ISO year for any date in seconds.
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Day of Week Calculator
Enter any date to instantly see whether it lands on Monday, Saturday, or another day of the week.
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Timezone Converter
Convert a meeting time between two UTC offsets without memorizing the difference between PST, EST, GMT, or IST.
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Unix Timestamp Converter
Translate between human-readable dates and Unix timestamps (seconds since 1 Jan 1970 UTC).
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Decimal Hours Calculator
Convert hours and minutes to decimal hours and total minutes.
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Pay Period Count Calculator
Count pay periods between two dates for weekly, biweekly, semi-monthly, or monthly schedules.
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Bill Due Date Calculator
Add days to a start date and optionally skip weekends to find a due date.
Open calculator →Why people trust us
Built for real-world decisions
Business-day, date difference, and planning calculators that keep deadlines, countdowns, and follow-ups on track.
Calendar-friendly inputs
Use simple date pickers and number fields instead of spreadsheet formulas.
Workweek awareness
Business-day tools skip Saturdays and Sundays by default, with an option to include them when needed.
Explainable results
Each calculator lists its assumptions (Gregorian calendar, no holidays) so teams stay aligned.
Explore related categories
Hop to another topic to keep your project or plan moving.
FAQs
- Does the business day calculator skip holidays?
- Not yet. Add one day for each holiday until we ship locale-aware holiday calendars.
- Can I count backward to find prep deadlines?
- Yes. Enter a negative day count to move backward from your start date.
- Will there be timezone or week-number tools?
- They're on the roadmap—expect timezone, countdown, and timestamp helpers in upcoming waves.