The first day of the week in Things’ date pickers depends on the region settings of your device. If you want the week to start on a different day, here’s how to change the setting.

  1. On your Mac, quit Things.
  2. Go to System Settings.
    • On macOS 13 or later, go to System SettingsGeneralLanguage & Region.
    • On macOS 12 or earlier, go to System PreferencesLanguage & Region, and click Advanced…
  3. Set First day of week to your preferred weekday.
iPad & iPhone
  1. On your iPad or iPhone, open Things.
  2. Go to SettingsGeneralWeek.
  3. Tap the day on which you’d like the calendar week to start.
  4. Tap Done.

In Things for Vision, please follow the same steps as described in the iPad & iPhone tab above.