Peter J. Cayan Library
Monday August 31st - Monday September 7th, First week of classes
Monday - Thursday 8 AM - 10 PM
Friday 8 AM - 5 PM
Saturday 12 noon - 5 PM
Sunday & Monday CLOSED**
** CLOSED on the following NYS summer holidays **
Monday May 25th * Memorial Day
Friday June 19th * Juneteenth
Monday September 7th * Labor Day
Tuesday September 8th - Friday October 9th, Early fall semester
Monday - Thursday 8 AM - 10 PM
Friday 8 AM - 5 PM
Saturday 12 noon - 5 PM
Sunday 12 noon - 10 PM
2026 Library Hours Archive
Monday August 10th - Sunday August 30th, Late summer
Monday - Friday 8 AM - 4 PM
Saturday & Sunday CLOSED
Monday June 15th - Sunday August 9th, Midsummer
Monday - Thursday 8 AM - 4 PM
Friday 8 AM - 12 noon
Saturday & Sunday CLOSED
Monday June 8th - Sunday June 14th
CLOSED due to building work
Friday May 15th - Sunday June 7th
Monday - Thursday 8 AM - 4 PM**
Friday 8 AM - 12 noon**
Saturday & Sunday CLOSED
Friday May 8th - Thursday May 14th
Monday - Friday 8 AM - 4 PM
Saturday & Sunday CLOSED
Monday May 4th - Thursday May 7th, Exam Week
Monday - Thursday: 8 AM - 10 PM
Monday April 27th - Sunday May 3rd, Extended Hours Before Finals
Monday - Thursday: 8 AM - 10 PM
Friday: 8 AM - 10 PM
Saturday: 10 AM - 10 PM (coffee & snacks!)
Sunday: 10 AM - 10 PM (EOP Study Sunday, coffee & snacks!)
Monday March 23rd - Thursday April 30th, Late Semester Hours
Monday - Thursday: 8 AM - 10 PM
Fridays: 8 AM - 8 PM NOTE LATER CLOSING TIME!
Saturdays: 11 AM - 5 PM
Sundays: 11 AM - 10 PM
Saturday March 14th - Sunday March 22nd, Spring Break Hours
Saturday & Sunday CLOSED
Monday - Friday 8 AM - 4 PM
Tuesday January 27th - Friday March 13th, Regular Semester Hours
Monday - Thursday: 8 AM - 10 PM
Fridays: 8 AM - 6 PM
Saturdays: 11 AM - 5 PM
Sundays: 11 AM - 10 PM
Monday January 26th: CLOSED
Sunday January 25th: CLOSED
Tuesday January 20th - Saturday January 24th, Regular Semester Hours
Tuesday - Thursday: 8 AM - 10 PM
Friday: 8 AM - 6 PM
Saturdays: 11 AM - 5 PM
Monday January 19th: 8 AM - 4 PM
Saturday January 3rd - Monday January 19th, Non-Semester Hours
Monday - Friday: 8 AM - 4 PM
Saturday & Sunday: CLOSED
2025 Library Hours Archive
Monday December 29th - Sunday January 4th: CLOSED
Staff is working remotely, so contact us via library@sunypoly.edu with requests and questions!
Thursday December 25th - Sunday December 28th: CLOSED
Wednesday December 24th: 8 AM - 12 noon
Friday December 12th - Tuesday December 23rd, Non-Semester Hours
Monday - Friday 8 AM - 4 PM
Saturday & Sunday CLOSED
Monday December 8th - Thursday December 11th: 8 AM - 10 PM
Extended Hours for the Weekend Before Finals (serving coffee and snacks!)
Friday December 5th: 8 AM - 8 PM
Saturday December 6th: 9 AM - 8 PM
Sunday December 7th: 9 AM - 10 PM
Thanksgiving Holiday:
Wednesday November 26th: 8 AM - 12 noon
Thursday November 27th - Sunday November 30th: CLOSED
Tuesday October 14th - Tuesday November 25th, Regular Semester Hours:
Monday - Thursday: 8 AM - 10 PM
Fridays: 8 AM - 6 PM
Saturdays: 12 noon - 6 PM
Sundays: 12 noon - 10 PM
Tuesday October 14th - Tuesday November 25th, Regular Semester Hours:
Monday - Thursday: 8 AM - 10 PM
Fridays: 8 AM - 6 PM
Saturdays: 12 noon - 6 PM
Sundays: 12 noon - 10 PM
