Can I set the First Day of the Week?

OmniFocus 4.0.4 for iOS 17.2 isn’t respecting Monday as the first day of the week, as set system-wide, and I don’t see a way to change this in-app.

Am I missing something obvious?

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Double-check the First Day of Week setting in the Settings app under General > Language & Region?

(There’s also a “Start Week On” setting in the Settings app under Calendar, but unlike the Language & Region setting that setting is only visible to the Calendar app.)


Thanks for the reply, Ken.

yep, both are set to Monday. No joy.

Oh, well. Not the end of the world. :)

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Hmm, were you using the TestFlight builds of v4? We used to have a local setting to override the first day of the week, but removed that logic in September since it no longer worked on iOS 17. (Though maybe it does in subsequent updates?)

In any case, if there are any leftovers of that old local TestFlight setting still on your local device, you can reset them by opening this debug URL on your iPhone:


Hope that helps!

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I was — and that link did the trick!

Many thanks! :)

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