Rather than making a huge sign up sheet with many shifts, please comment the number of hours you plan on working! There is more information on what you would do in each shift on the sign-up sheet (sign-up there as well): https://docs.google.com/spreadsheets/d/1Meqf5aPBzMOfhs_PoifPGXdmAgZ6PERWBmjHbZUo7t8/edit#gid=0