14 CFR § 93.317
Commercial Special Flight Rules Area operation curfew
July 13, 2020
Unless otherwise authorized by the responsible Flight Standards Office, no person may conduct a commercial Special Flight Rules Area operation in the Dragon and Zuni Point corridors during the following flight-free periods:
(a) Summer season (May 1-September 30)-6 p.m. to 8 a.m. daily; and
(b) Winter season (October 1-April 30)-5 p.m. to 9 a.m. daily.
[65 FR 17732, Apr. 4, 2000, as amended by Amdt. 93-102, 83 FR 48213, Sept. 24, 2018]