How long does a Russian visa invitation take?
Short answer
The published Rules Engine does not contain one universal issuance time for every Russian visa invitation.
Verified answer
Invitation issuance and visa-application processing are separate processes. Confirm timing with the authorized issuer and the responsible Russian mission rather than relying on a generic estimate.
This answer is versioned independently. It contains no inferred visa-rule value: every material conclusion is resolved from linked immutable Rule Versions and official Russian-source Evidence.
What to do next
Ask the issuing organization for its current timeline and verify the visa-submission deadline with the responsible mission.