HublerX Production Planning replaces the spreadsheet-based production scheduling process that most mid-size manufacturers still rely on with a live scheduling engine that balances demand, capacity, and material availability in real time. In most manufacturing operations, the production planner is the single point of integration between sales commitments, machine capacity, material availability, workforce schedules, and quality constraints. When any of those inputs changes — a machine breaks down, a material delivery is delayed, a customer changes an order — the planner must manually rebuild the schedule, often under pressure and with incomplete information. HublerX automates that integration. The system maintains a live production schedule that reflects the current state of demand, available capacity across every work centre, confirmed material availability from the MRP module, and quality hold constraints from the quality management module. When any input changes, the schedule is recalculated automatically and exceptions are surfaced to planners immediately. Planners can accept the system's recommendation, override it with their judgement, or run alternative scenarios before committing to a plan. The scheduling engine supports make-to-order, make-to-stock, and mixed-mode manufacturing environments. Finite capacity scheduling prevents overloading of bottleneck resources. Sequence-dependent changeover times, shift patterns, and planned maintenance windows are all modelled in the scheduling logic. Production plans are communicated to the factory floor automatically through the production execution module, eliminating the manual handoff that is a common source of discrepancies between planned and actual output.