Approximately how long before the planned test firing did the major anomaly occur on June 18, 2025?

Answer

Roughly 10 to 15 minutes before

The incident involving the major anomaly took place in the countdown sequence approximately 10 to 15 minutes prior to when engineers intended to initiate the planned test firing of the Raptor engines.

Approximately how long before the planned test firing did the major anomaly occur on June 18, 2025?
Elon Muskrocketexplosionlaunch