Calendar W/CW – Week Numbers

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About this app

Calendar W/CW puts a clear monthly calendar with ISO week numbers on your Wear OS watch, together with the holidays, vacations and events of the Google calendars you choose.

FEATURES
• Monthly view designed for round screens, with the ISO week number (CW) on every row
• Holidays, vacations and events from your calendars, in the same colors as Google Calendar
• Multi-day events shown as stripes, single days as dots
• Month Tile, one swipe from your watch face
• Swipe up and down to browse months
• Works offline: events stay on the watch
• Follows the language of your devices

HOW IT WORKS
1. Install Calendar W/CW on your phone and on your watch.
2. On the phone, allow calendar access and turn on the calendars you want, for example "Holidays" or "Vacation". Order them to choose which one wins when two events fall on the same day.
3. That's it: changes in Google Calendar reach the watch automatically.

Tip: create a dedicated calendar for vacations in Google Calendar to keep the watch tidy.

PRIVACY
The app reads only the dates and colors of events, never titles, places or attendees. Data is sent only to your own watch. No ads, no tracking, no internet access.

REQUIREMENTS
• Wear OS 4 or newer watch (e.g. Samsung Galaxy Watch, Google Pixel Watch) paired with an Android phone
• The phone app is required: it sends your calendars to the watch

Calendar W/CW is an independent app and is not affiliated with Google.
Google Calendar holidays and ISO week numbers on your Wear OS watch
Updated on
Oct 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

Better battery life: the phone now updates the watch only when your calendars actually change.
Library updates.