MediaWiki:Apihelp-protect-param-expiry
Expiry timestamps. If only one timestamp is set, it'll be used for all protections. Use infinite, indefinite, infinity, or never, for a never-expiring protection.
wiki.Alumni.NET - Your Location Information Resource
Expiry timestamps. If only one timestamp is set, it'll be used for all protections. Use infinite, indefinite, infinity, or never, for a never-expiring protection.