Winter Closure

Stanford institutes an annual winter close, in which university ceases administrative operations for about two weeks. The winter close for 2026 formally begins Monday, Dec. 21, 2026 and ends on Friday, Jan. 1, 2027. Schedules for labs are yet to be finalized, but not likely to be too different from last year's. The schedule for 2025 is show below for reference.

2025 Allen Cleanroom Winter Closure Dates

Training Paused for Nemo migration: Friday, Dec. 5, 2025 5:00PM 

Closed to users: Friday, Dec. 19, 2025 7:00AM 
Reopening to users: Tuesday, Jan. 6, 2026 7:00AM

2025 Spilker Cleanrooms Winter Closure Dates

Training Paused for Nemo migration: Friday, Dec. 5, 2025 5:00PM 

Closed to users: Thursday, Dec. 18, 2025 6:00AM 
Reopening to users: Tuesday, Jan. 6, 2026 8:00AM

2025 Shriram, Spilker, Moore, McCullough 
 Winter Closure Dates

Closed to users: Friday, Dec. 19, 2025 5:00PM 
Reopening to users: Monday, Jan. 5, 2026 9:00AM 
See Table below for details of specific equipment status during shutdown

Winter Closure

The following briefly describes what to expect for nano@stanford equipment during winter closure. If needed, staff will provide further updates through user mailing lists.

Table Notes:

1 | Complete shutdown of all administrative functions during winter closure (account requests, card key access, PTA updates). Expect slower processing times after the break.

2 | Instrument available to fully trained and qualified users who have gained independent after-hour access; no staff support or training during the winter break; card key authorization required for building and lab entry.

3 | Usage by pre-approved users only. Contact staff for details. No staff support or training during the winter break; card key authorization required for building and lab entry.

4 | Complete shutdown. No access permitted.

Cleanrooms - Allen, Spilker

All cleanrooms will be closed during the winter closure during the dates posted above. Note 4.

Instruments - Spilker, Shriram, McCullough