The official start time of an event, used as a reference point for scheduling all other activities.
Zero hour provides a fixed anchor for all time references in the run sheet. Activities are often scheduled as 'zero minus 30' (30 minutes before start) or 'zero plus 45' (45 minutes after start). Using zero hour as a reference instead of absolute clock times makes it easier to adjust the entire schedule if the programme shifts — all relative timings stay intact.
Run Sheet
A minute-by-minute timeline of an event listing every activity, responsible party, and technical cue.
Run of Show
The master document detailing every segment of a live event in sequence, including durations, cues, and owners.
Call Time
The designated time when staff, performers, or vendors must arrive at an event venue.
Production Schedule
A macro-level timeline covering all phases of an event — from venue access through setup, the event itself, and bump-out.
Day-of Timeline
A simplified version of the run sheet for clients or speakers showing when things happen without technical detail.
Event Brief
A written document given to vendors and suppliers summarising the event's objectives, audience, format, budget, and logistics.