Argonne National Laboratory, including the Center for Nanoscale Materials (CNM), is closed on the following holidays.
|New Year’s Day||Monday, January 2|
|Martin Luther King Day||Monday, January 16|
|Memorial Day||Monday, May 29|
|Independence Day||Tuesday, July 4|
|Labor Day||Monday, September 4|
|Thanksgiving Day||Thursday, November 23|
|Day after Thanksgiving||Friday, November 24|
|Christmas Eve||Friday, December 22|
|Christmas Day||Monday, December 25|
|New Year’s Eve||Friday, December 29|
Beginning December 21, 2023, at 5:00 pm CST and will reopen on January 2, 2024 at 7:00 am CST. The CNM suspends user operations during this closure; neither the CNM building nor CNM staff, including administrative support, is available to users at any time during the winter break.
The winter break will be followed immediately by a preventive maintenance period for a week to be determined in January 2024. During this period some capabilities may be unavailable at times and the servicing of some infrastructure systems may affect operations. More information will be sent to the user community as the date nears.