17 CFR § 201.104 - Business hours.

---
identifier: "/us/cfr/t17/s201.104"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "17 CFR § 201.104 - Business hours."
title_number: 17
title_name: "Commodity and Securities Exchanges"
section_number: "201.104"
section_name: "Business hours."
chapter_name: "SECURITIES AND EXCHANGE COMMISSION"
part_number: "201"
part_name: "RULES OF PRACTICE"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 77s, 77sss, 78w, 78x, 80a-37, and 80b-11; 5 U.S.C. 504(c)(1)."
regulatory_source: "47 FR 610, Jan. 6, 1982, unless otherwise noted."
cfr_part: "201"
---


# 201.104 Business hours.

The Headquarters office of the Commission, at 100 F Street, NE., Washington, DC 20549, is open each day, except Saturdays, Sundays, and Federal legal holidays, from 9 a.m. to 5:30 p.m., Eastern Standard Time or Eastern Daylight Saving Time, whichever is currently in effect in Washington, D.C. Federal legal holidays consist of New Year's Day; Birthday of Martin Luther King, Jr.; Presidents Day; Memorial Day; Independence Day; Labor Day; Columbus Day; Veterans Day; Thanksgiving Day; Christmas Day; and any other day appointed as a holiday in Washington, D.C. by the President or the Congress of the United States.

[60 FR 32796, June 23, 1995, as amended at 70 FR 72569, Dec. 5, 2005]