This book will delve into the intricate scheduling world, a critical aspect of modern operations across various industries, offering a comprehensive exploration of scheduling theory, from its foundational principles to applying advanced algorithms designed to optimise time and resource allocation. The authors are encouraged to explore the complexities of scheduling tasks through a clear and organised approach, ensuring the readers can grasp the nuances of algorithm efficiency, constraint satisfaction, and optimisation models. The authors can also discuss the practical applications of scheduling in manufacturing systems and project management, highlighting its pivotal role in enhancing operational efficiency, reducing costs, and improving overall productivity by addressing the unique challenges faced in service industries and presenting innovative strategies for managing appointments, queues, and customer satisfaction. Furthermore, the authors can explore emerging trends such as integrating the Internet of Things, cloud-based scheduling solutions, and the impact of big data analytics on scheduling practices. Aimed at professionals, researchers, and students alike, this book hopes to equip its readers with the knowledge and tools to tackle scheduling problems confidently and creatively, paving the way for more efficient and effective solutions in various operational contexts.