Message from the Commanding Officer to O.C. Companies - 30th June, midnight.
Zero time and Divisional time will be communicated to you later, and ample warning will be given, so let all rest until you receive message, and issue your orders, and special attention to be paid to absolute quiet throughout.
Message from Brigade Headquarters to Officers Commanding battalions:
Zero Time will be 7-30 a.m. This is not to be communicated to the troops before daylight. Acknowledge.