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Editorial Team
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Asked: 2026-06-17T22:10:22+00:00

A long time ago I watched a WWDC session video where Apple introduced an

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A long time ago I watched a WWDC session video where Apple introduced an API which would print a time interval in a humanly readable, localized form.

Instead of printing a date when someone posted a comment, it was very easy to print a localized string such as “2 hours ago” or “Yesterday” or “Last week”.

I can’t find that video anymore and no references or examples for this API. I’m sure that it was a dedicated API to directly get this kind of localized strings for date intervals relative to the current date.

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  1. Editorial Team

    I can’t remember the video (although there was some video about it) but I think the API you are thinking of is:

    [NSDateFormatter localizedStringFromDate:date dateStyle:NSDateFormatterMediumStyle timeStyle:NSDateFormatterNoStyle]

    I’m not sure if this API does relative date formatting and the frameworks mentioned by Midhun MP take this a lot further

    You can, of course, construct your own NSDateFormatter and set the setDoesRelativeDateFormatting:YES property to provide text like “Today” or “Tomorrow”.

    Example code is in the class reference below in setDoesRelativeDateFormatting:.

    See NSDateFormatterClassReference

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