I'm Jira cloud Site admin, How to know Jira cloud instance date of inception

[Rasajna Meka]

I'm Jira cloud Site admin, I wna to know  Jira cloud instance inception date

[Nic Brough -Adaptavist-]

What question would that answer for you?  I can't think of a use for it beyond wanting to know a bit of history.

You should be able to work it out for a paid plan, by going back over the invoices for it (but bear in mind it was probably created as a trial, and the invoicing only started a short while after the actual creation)