What hours are your Donor Support representatives available? SU2C Support July 18, 2024 18:19 Updated Our regular Donor Service hours are Monday – Friday: 9 a.m. - 5 p.m. PT, and closed on Saturday and Sunday. Related articles Can I donate anonymously and still receive a tax receipt? Tribute edits and/or questions I have a question about my donation, who do I contact? How much of my donation goes to the cause?