Campus Life Centers Building Hours

The hours of operation are subject to change. Notification will be sent to the community. Please also find the date ranges for our seasonal schedule below.

2025-2026		2026-2027
SeasonSeason	date rangedate range	SeasonSeason	date rangedate range
SeasonSummer 2025	date range5/24/2025 - 8/17/2025	SeasonFall 2026	date range2026-20278/17/2026 - 12/18/2025
SeasonFall 2025	date range8/18/2025 - 12/19/2025	SeasonWinter 2026	date range2026-202712/19/2026 - 1/24/2027
SeasonWinter 2025	date range12/20/2025 - 1/25/2026	SeasonSpring 2027	date range2026-2027 1/25/2027 - 5/21/2027
SeasonSpring 2026	date range1/26/2026 - 5/22/2026	SeasonSummer 2027	date range2026-20275/22/2027 - 8/15/2027
SeasonSummer 2026	date range5/23/2026 - 8/16/2026	SeasonFall 2027	date range2026-20278/16/2027 - 12/17/2027

Student Activities Center

Day	Fall	Winter	Spring	Summer
DayWeekdays	Fall7:30 AM - 12:00 AM	Winter7:30AM-7:00PM	Spring7:30AM-12:00AM	Summer8:00AM-7:00PM
DayWeekends	Fall9:00 AM - 12:00 AM	Winter8:00 AM - 7:00 PM	Spring9:00AM-12:00 AM	Summer9:00AM-7:00PM

Stony Brook Union

Day	Fall	Winter	Spring	Summer
DayWeekdays	Fall7:30 AM - 12:00 AM	Winter7:30AM-7:00PM	Spring7:30AM-12:00AM	Summer8:00AM-7:00PM
DayWeekends	Fall9:00 AM - 12:00 AM	Winter8:00 AM - 7:00 PM	Spring9:00AM-12:00 AM	Summer9:00AM-7:00PM

Alan S. deVries Center

Day	Fall	Winter	Spring	Summer
DayWeekdays	Fall7:30 AM - 12:00 AM	WinterReservations Only	Spring7:30AM-12:00AM	SummerReservations Only
DayWeekends	Fall10:00 AM - 12:00 AM	WinterReservations Only	Spring10:00AM-12:00 AM	SummerReservations Only

Bauman Center

Day	Fall	Winter	Spring	Summer
DayWeekdays	FallReservations Only	WinterReservations Only	SpringReservations Only	SummerReservations Only
DayWeekends	FallReservations Only	WinterReservations Only	SpringReservations Only	SummerReservations Only

Commuter Pit Stop Lounge (Melville Library)

Day	Fall	Winter	Spring	Summer
DayWeekdays	Fall6:00AM - 2:00AM	Winter10:00AM - 6:00PM	Spring6:00AM - 2:00AM	Summer10:00AM - 6:00PM
DayWeekends	Fall6:00AM - 2:00AM	Winter10:00AM - 6:00PM	Spring6:00AM - 2:00AM	Summer10:00AM - 6:00PM

Please see below for any date changes outside our normal hours of operation.

Important Dates

Day	SAC	Union	devries
Day Friday - 07/04/2025 (Independence Day)	SACCLOSED	UnionCLOSED	devriesCLOSED
Day Monday - 09/01/2025 (Labor Day)	SACCLOSED	UnionCLOSED	devriesCLOSED
Day Monday - 10/13/2025 (Columbus Day)	SACOPEN	UnionOPEN	devriesOPEN
Day Tueaday - 10/14/2025 (Fall Break)	SACOPEN	UnionOPEN	devriesOPEN
Day Tuesday - 11/04/2025 (Election Day)	SACOPEN	UnionOPEN	devriesOPEN
Day Tuesday - 11/11/2025 (Veteran's Day)	SACOPEN	UnionOPEN	devriesOPEN
Day Thursday - 11/27/2025 (Thanksgiving)	SACClosed	UnionClosed	devriesClosed
Day Friday & Saturday - 11/28/2025 - 11/29/2025 (Thanksgiving Break)	SACClosed	UnionClosed	devriesClosed
Day Thursday - 12/25/2025 (Christmas)	SACClosed	UnionClosed	devriesClosed
Day Thursday - 1/1/2026 (New Year's Day)	SACClosed	UnionClosed	devriesClosed
Day Monday - 1/19/2026 (MLK Day)	SACClosed	UnionClosed	devriesClosed
Day Monday - 2/16/2026 (President's Day)	SACOpen	UnionOpen	devriesOpen
Day Monday - Sunday - 3/16/2026 - 3/22/2026 (Spring Break)	SACOpen	UnionOpen	devriesOpen
Day Monday - 5/25/2026 (Memorial Day)	SACClosed	UnionClosed	devriesClosed
Day Friday - 6/19/2026 (Juneteenth)	SACClosed	UnionClosed	devriesClosed