900/990 Hour Requirement Information
(Effective Beginning with the 2018-19 School Year)
In September 2018, the Board of Regents adopted a new minimum instruction requirement, which amended the previous requirement of a daily minimum number of hours for each of the 180 days (5.0/5.5 hours) to an annual aggregate number of hours over the period of 180 days in total (900/990 hours). The links below provide additional information for school districts to use in the development of their annual calendars.
2019-20 COVID Closure Reporting (
84 KB)
Instructional Time Waiver Decisions (8 NYCRR §175.5(n); March 2021)( 116 KB)
Instructional Time Waiver Decisions (8 NYCRR §175.5(m); November 2019)( 67 KB)
Regulation Information:
Final Adopted §175.5 Regulations
(Effective March 15, 2021)
Regulation Public Comments and Responses (Consolidated) ( 166 KB)
Board of Regents Presentations:
September 2018 Memo /
Presentation 
June 2018 Memo /
Presentation
April 2018 Memo /
Presentation
December 2017 Memo /
Presentation
Model Calendars:
2020-21 School Year Model Calendar(
516 KB) – PROVIDED FOR PLANNING PURPOSES ONLY. Not to be uploaded to SAMS, a final 2020-21 calendar will be posted to the web for reporting prior to Summer 2021.
2019-20 School Year Model Calendar
( 525 KB) – to be completed and submitted in 2020-21 SAMS in September 2020
2018-19 School Year Model Calendar (v2.0) ( 389 KB) – was to be completed and submitted in 2019-20 SAMS in September 2019
Troubleshooting Tips for the 180 Day Calendar and Waiver Forms
Questions on these documents may be sent to 180days@nysed.gov