Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: January 1, 2024 all-day 2024-01-01T00:00:00-05:00 2024-01-02T00:00:00-05:00 POSTAL HOLIDAY More information as well as future holiday and closure information can be found here. 2023-12-03