New date entries in a topic appear like this in the corresponding notification mails:
Nächstes Freifunk Treffen Makers Inn (noch unbestätigt)
2024-04-18T16:00:00Z UTC→2024-04-18T20:00:00Z UTC
For the mail publication channel, this should be reformatted into a human-readable date information with respect to the current timezone (in this case: CET) of the discourse instance.
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