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Nitro Toolz

Day Counter

Days between dates, business days, or add and subtract days.

Day Counter

Generated 10/9/2026

  • Mode: Days between two dates
  • Start date: 2026-10-09
  • End date: 2027-01-07
  • Count the end date: No
Total days
90
Weeks and days
12 wk 6 d
Business days (Mon to Fri)
64

Holidays are not excluded

Approx. months
3
Approx. years
0.25

How to use this tool

  1. Pick between-dates or add-days mode.
  2. Choose your dates, and whether to count the end date.
  3. Read total days, weeks and business days.

Formulas

Days = |end - start| in whole days, plus one if inclusive.

Business days count Monday through Friday only; holidays are not excluded.

Frequently asked questions

Is the end date included?

Not by default. Switch to inclusive to count both the start and end days.

Are holidays excluded from business days?

No. Only weekends are skipped.

Does it handle leap years?

Yes. Dates use the real calendar.

Can I subtract days?

Yes. In add mode, enter a negative number.