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Date Calculator

Compare dates, count business days, exclude holidays, and shift a base date with a result-first date calculator.

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Total days

558days

Total days: 558days / Business days: 398days / Weekend days: 160days

Calendar span

1years 6months 12days

Weeks and days

79weeks 5days

Date order

Counting from start date to end date

Quick examples

Date order

Counting from start date to end date

Total days

558

Total span between the selected dates.

Calendar span

1years 6months 12days

Weeks and days

79weeks 5days

Business days

398days

Weekend days

160days

Excluded weekdays

0days

Range breakdown

Total days: 558days / Business days: 398days / Weekend days: 160days

Workdays 398days Weekends 160days

Calendar span

Start date

January 1, 2025

Wednesday

25%

May 21, 2025

2025-05-21

50%

October 7, 2025

2025-10-07

75%

February 24, 2026

2026-02-24

End date

July 13, 2026

Monday

How it works

Difference mode shows total days and calendar span, business-day mode separates workdays, weekends, and excluded dates, and add/subtract mode shifts a base date by calendar units.

Usage notes

  • Day counts use UTC date boundaries to reduce timezone drift.
  • Business days exclude Saturdays, Sundays, and any holiday dates you enter.
  • Date shifts apply years and months before weeks and days.

Frequently asked questions

Are public holidays excluded automatically?expand_more

No. Add holidays or company days off manually so they can be excluded from business-day counts.

Does adding one month always mean 30 days?expand_more

No. Month shifts follow the real calendar, so end-of-month dates may land differently.

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