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What's the best way to get the difference between two date times (time in 24hr format)?

I like using the Kotlinx datetime library

As an example, between March 31st 2024, 01:00 and April 1st 2024, 01:00, in France, there are only 23 hours.

Without knowing which country the user is in, you can't answer the question. And that's *only* daylight saving issues.

Also, <https://kotlinlang.org/community/slackccugl.html|avoid cross-posting>, it wastes everyone's time.

<https://kotlinlang.slack.com/archives/C01923PC6A0/p1717566704950169>

Yeah, I learned about that channel after posting here.

If you exceptionally and completely do not care about time zones you can use `java.time`  classes:
```Duration.between(LocalDateTime.parse("2007-12-03T10:15:30"), LocalDateTime.parse("2007-12-03T10:15:30"))```