Offshore software development services can positively impact project timelines by providing access to a larger pool of developers, allowing for faster scaling of teams. Time zone differences can be used to achieve continuous development cycles, where work progresses almost 24/7. However, if not managed properly, time zone gaps and communication delays can lead to misunderstandings and slowdowns. To optimize timelines, clear planning, defined milestones, and regular synchronization meetings are essential. By strategically managing these factors, offshore development can significantly accelerate project delivery.