Unoptimized gas golfer contract

Golfer.sol

contract Golfer {
    
    struct Data{
        //always a preset date
        uint256 timeStart;
        //30 days after the start
        uint256 timeFinish;
        //names are at most 3 characters long
        string name;

        bool active;

        address owner;
    }

    // sample data
    // [1,1,"tay",true,0xd9145CCE52D386f254917e481eB44e9943F39138]

    mapping(uint=>Data) data;

    function writeInto(Data memory d) public {
        data[0]=d;
    }


    function check() public view returns(Data memory d){
        d=data[0];
    } 


}

OptiGolfer.sol

// optimized gas golfer contract

contract OptiGolfer {

    // uint constant timeStart = 1;
    // uint constant timeFinish = 1 + 30 days;

    struct Data{
        //always a preset date
        uint8 timeStart;
        //30 days after the start
        uint24 timeFinish;
        //names are at most 3 characters long
        bytes7 name;
        bool active;
        address owner;
    }

    mapping(uint=>Data) data;

    function writeInto(Data memory d) public {
        data[0]=d;
    }

    function check() public view returns(Data memory d){
        d=data[0];
    }
    
    function getBytes(string memory _name) external pure returns(bytes7 name) {
        name = bytes7(abi.encodePacked(_name));
    } 
}
    // sample data
    // [1,5,"0x74617900000000",true,"0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2"]

    // name==tay
    // active==true
    // owner=msg.sender