From Newsgroup: misc.phone.mobile.iphone

<https://www.engadget.com/2252782/how-to-share-iphone-location-find-my-for-as-long-needed>

In iOS 26 and prior, you could choose to share your location with someone
in Find My for an hour, a day or indefinitely.

In iOS27, there's the option to share for a few days (like the duration of
a trip), only a few hours (like while you're at dinner and the babysitter
is on shift), or even just for 15 minutes.
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