From the CME Globex Control Center, here is the summary of KEY changes, per CME market segment -
CME GLOBEX - US Presidents Day Holiday Trading Schedule - 2018
View Full List: https://www.ampfutures.com/trading-info/holiday-hours/
We work as a 24 hour support team. Everyone is fully trained in all AMP platforms/services.
If you need any assistance, please contact our 24 hour help desk in real-time via Phone or Live CHAT: http://www.ampfutures.com/contact-us/