KB-2253 2025 Holidays and On-Call Hours FAQ

Table of Contents:

• Customer support during on-call hours and holidays
• On-call hours within each region
• Dates of holidays within each region

Customer support during on-call hours and holidays

Appian Advanced or Enterprise customers are entitled to 24x7 support for production issues (P1 and P2 cases only). This means that these customers will be supported over the weekends and bank holidays by on-call engineers. 

Below are the required steps Advanced or Enterprise customers must take to get support from on-call engineers:

1. Raise a support case
2. Contact support via phone

On-call hours within each region

Dates of holidays within each region

Below is a list of all holidays in various regions for 2025. Some of these holidays will now include Blackout Dates. During these Blackout Dates no security patching, applying of hotfixes or upgrades can be scheduled between 4:00 PM EST / EDT on the Blackout Start Date until 10:00 PM EST / EDT on the Blackout End Date.

Should there be a requirement for patching, hotfixes or upgrades to be carried out during a blackout period, please open a support case no later than 48 hours prior to the commencement of the Blackout Start Date, requesting an exception including business or operational requirements.

Last Reviewed: January 2025