The article provides a comprehensive guide on implementing time locks in smart contracts, focusing on creating a time-based queue for minting ERC-20 tokens. It explains the concept of a time lock, which restricts the execution of certain functions in a smart contract to a specific time frame, and discusses its potential applications, such as initial token offerings and time-based fund releases. The guide uses Foundry to develop and test Solidity contracts, illustrating how to initialize a project, create and run tests, and ensure the contract meets all time-lock requirements without errors like double queuing or premature minting. It details the process of installing necessary libraries like OpenZeppelin and setting up the testing environment with CheatCodes to simulate time passage. The article concludes by suggesting further automation of smart contracts using Chainlink Automation, which can trigger contract functions at predefined times, enhancing contract security and transparency.