Sprint Calendar Calculator

How to use this calculator

Enter Sprint 1's start, sprint length and number of sprints. Set the workweek, shutdown dates and release frequency. Choose a date to find its sprint number.

Sprint boundaries keep a fixed calendar cadence. Holidays reduce working dates without postponing later sprints. Every-N-sprint release markers fall on the final calendar date, even if it is not a workday. Use Team Capacity to turn staff availability into person-hours.

A worked example

Two-week sprints anchored November 2, 2026 run November 2–15, November 16–29 and November 30–December 13. November 18 is in Sprint 2. Two weekday closures reduce that sprint from ten working dates to eight.

Do shutdowns pause the sprint clock?

No. This version preserves fixed intervals. It exposes reduced workdays so you can review scope and capacity instead of silently changing the cadence.

Further reading: Source workflow and conventions. Your entered rules determine this result.

Which calendar and years are supported?

Use Gregorian dates from 1900 through 2100, with results inside that range. Most daily plans are limited to 366 dates; academic terms and sprint plans allow up to 731. Forms limit the number of entries to keep calculations responsive. Holidays and policy rules come from your inputs. Date-only plans ignore DST; tools with time-zone inputs use the browser's time-zone data and explicitly resolve repeated times. Calendar exports preserve date-only markers or exact timed events as appropriate. Calculations run only when requested, without background polling.

What happens to my dates?

Calculations run on your device. Saving a calculation is optional and keeps it in this browser. A setup link contains the dates and settings you entered; anyone with the link can read them. Use one tab per saved calculator. Clear saved data from Privacy & settings.