Any calendar week, one keystroke away.

Weekmark keeps the week number on your Mac desktop and answers “when is CW46?” from any app, with working days, holidays, sprints and milestones included.

Download for macOS

brew install --cask rockykusuma/weekmark/weekmark

Free · macOS 14 or later · Apple silicon and Intel · No account, no tracking

Look up a week ⌃⌥W

⏎Copy⌘⏎Show in widgetescCloseThis demo counts Mon–Fri. The app also subtracts holidays.

Every week of the year

Click any week to look it up.

This weekLooked upISO 8601: weeks start Monday, week 1 contains the first Thursday

On your desktop

Made for people who plan in weeks

Release trains, sprint reviews, “we’ll ship it in CW46”. Weekmark keeps that vocabulary on screen and does the date maths for you.

⌃⌥W

Quick Finder

Look up a week, date, range or countdown from any app. Press ⏎ to copy “CW46 (9–15 Nov)” into Slack or Jira.

MILESTONES

Countdowns that count working days

Pin “Release 5.0 → CW46” and see 5 weeks · 30 working days left. Milestone weeks are flagged in the calendar.

SPRINTS · PI · Q

Your team’s cadence

Sprint 20 · day 5/9, PI 4 · sprint 5/5, Q3 FY27. Set the sprint length once and the app counts forward.

HOLIDAYS

Working days that are actually right

Public holidays for 10 countries, plus your company’s holiday calendar imported from .ics.

ISO ≠ US

Catches the off-by-one

In some years ISO and US week numbers differ. Weekmark tells you when “CW10” means CW11 to your US colleagues.

MULTI-DISPLAY

Lives on your second screen

Sits on the desktop behind your windows, remembers which display it belongs to, and returns when you plug it back in.

You type	Examples	You get
A week	`46` `CW46` `KW 46` `3 2027` `2027-W3`	Dates, how far away, working days, holidays, milestones, sprint
A date	`Dec 12` `12/12/2026` `next friday`	The calendar week it falls in
An offset	`+6w` `-2w` `+10d` `in 6 weeks`	The target week or date
A range	`46-50` `CW52–CW2`	Number of weeks and working days, holidays included
A countdown	`until CW52` `to dec 24`	Weeks and working days left
A milestone	`release`	Matching milestones with their countdown

The Quick Finder panel listing this week, two upcoming milestones and the next holiday

For IT and team leads

Roll it out with the plan already in it

Push one configuration profile through Intune, Jamf or Kandji and every Mac shows the same sprints, fiscal quarters, release milestones and company holidays.

Notarized .pkg for MDM deployment
Managed settings override user settings
No network access except the optional update check
No account and no telemetry

<!-- Weekmark-Company.mobileconfig -->
<key>numbering</key>     iso
<key>regions</key>       dk, in
<key>sprint</key>
  {"enabled":true,"lengthWeeks":2,
   "anchor":{"y":2026,"m":1,"d":5},
   "sprintsPerPI":5}
<key>quarter</key>
  {"fiscalStartMonth":4}
<key>milestones</key>
  [{"name":"Release 5.0",
    "week":{"year":2026,"week":46}}]

Get Weekmark

Free for everyone. Drag the widget to any display, press ⌃⌥W, and type a week.

Download for macOS

brew install --cask rockykusuma/weekmark/weekmark