Looks like the Croatian DX contest, according to the WA7BNM contest calendar, so your ITU Zone exchange was probably correct. The WA7BNM calendar has almost everything and links right to the contest rules, so it is a good resource.

On Sat, Dec 16, 2023 at 9:16 AM J. Setcer <j.setcer@gmail.com> wrote:

RZ3z was calling CQ contest. I don't know what contest.I hate being ignorant,
The guy was in Zone 16,.but he said 5/9 27. I didn't know what to say so I said 5/9 seven. He was ok with 7.
I just wish I knew more about this stuff....
- QJ

14.279 @ 15:03
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