help me with Command of The Guild Ranking Battle plzzzz.

How to open the Gate in the Light(Dark)Managment Office to get inside GRB Map?

Im GM but i don't know how to open it?
can someone help me plzzzzzz?
thank you so much.

For GRB:

PSM_Client\Bin\Data----->Map.ini---->Map 50 (GRB); CreateTime = (0, 15, 1)
0=Sunday,1=Monday,2=Tuesday......
15= Time to start