All US National (specifically, bank) holidays, with exceptions listed below:

Thanksgiving break
Nov 23, 24, 25 – closed

Giving Tuesday
Nov 28, 29, 30 – closed except for pre-scheduled meetings and Giving Tuesday help desks

Holiday/New-Year
Dec 22 through Jan 2 – closed except for pre-scheduled meetings

Emergency Pager
When closed, please report service outages, infrastructure issues, or any other emergencies to Airon; Text “help” + your primary domain to our main number. This keyword will have Airon ping whoever is on-call at the moment. You will be connected through text as soon as possible.