Skip to Content

Using FederalRegister.Gov

Reader Aids

Reader Aids help people use FederalRegister.gov and understand the federal rulemaking process. Reader Aids information is not published in the Federal Register.

Table of Effective Dates & Time Periods

March 2017

This table is used by the Office of the Federal Register to compute certain dates, such as effective dates and comment deadlines, which appear in agency documents. In computing these dates, the day after publication is counted as the first day. When a date falls on a weekend or holiday, the next Federal business day is used. (See 1 CFR 18.17)

A new table will be published in the first issue of each month. You can also view and print this table on FDsys.gov.

 
TABLE OF EFFECTIVE DATES AND TIME PERIODS--MARCH 2017
_______________________________________________________________________

    This table is used by the Office of the Federal Register to compute 
certain dates, such as effective dates and comment deadlines, which 
appear in agency documents. In computing these dates, the day after 
publication is counted as the first day.
    When a date falls on a weekend or holiday, the next Federal 
business day is used. (See 1 CFR 18.17)
    A new table will be published in the first issue of each month.                                       15 days after          21 days after          30 days after          35 days after          45 days after          60 days after         90 days after
     Date of FR  publication            publication            publication            publication            publication            publication            publication           publication
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 1                       Mar 16                 Mar 22                 Mar 31                 Apr 5                  Apr 17                 May 1                May 30
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 2                       Mar 17                 Mar 23                 Apr 3                  Apr 6                  Apr 17                 May 1                May 31
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 3                       Mar 20                 Mar 24                 Apr 3                  Apr 7                  Apr 17                 May 2                 Jun 1
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 6                       Mar 21                 Mar 27                 Apr 5                  Apr 10                 Apr 20                 May 5                 Jun 5
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 7                       Mar 22                 Mar 28                 Apr 6                  Apr 11                 Apr 21                 May 8                 Jun 5
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 8                       Mar 23                 Mar 29                 Apr 7                  Apr 12                 Apr 24                 May 8                 Jun 6
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 9                       Mar 24                 Mar 30                 Apr 10                 Apr 13                 Apr 24                 May 8                 Jun 7
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 10                      Mar 27                 Mar 31                 Apr 10                 Apr 14                 Apr 24                 May 9                 Jun 8
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 13                      Mar 28                 Apr 3                  Apr 12                 Apr 17                 Apr 27                May 12                Jun 12
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 14                      Mar 29                 Apr 4                  Apr 13                 Apr 18                 Apr 28                May 15                Jun 12
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 15                      Mar 30                 Apr 5                  Apr 14                 Apr 19                 May 1                 May 15                Jun 13
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 16                      Mar 31                 Apr 6                  Apr 17                 Apr 20                 May 1                 May 15                Jun 14
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 17                      Apr 3                  Apr 7                  Apr 17                 Apr 21                 May 1                 May 16                Jun 15
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 20                      Apr 4                  Apr 10                 Apr 19                 Apr 24                 May 4                 May 19                Jun 19
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 21                      Apr 5                  Apr 11                 Apr 20                 Apr 25                 May 5                 May 22                Jun 19
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 22                      Apr 6                  Apr 12                 Apr 21                 Apr 26                 May 8                 May 22                Jun 20
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 23                      Apr 7                  Apr 13                 Apr 24                 Apr 27                 May 8                 May 22                Jun 21
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 24                      Apr 10                 Apr 14                 Apr 24                 Apr 28                 May 8                 May 23                Jun 22
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 27                      Apr 11                 Apr 17                 Apr 26                 May 1                  May 11                May 26                Jun 26
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 28                      Apr 12                 Apr 18                 Apr 27                 May 2                  May 12                May 30                Jun 26
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 29                      Apr 13                 Apr 19                 Apr 28                 May 3                  May 15                May 30                Jun 27
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 30                      Apr 14                 Apr 20                 May 1                  May 4                  May 15                May 30                Jun 28
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
             March 31                      Apr 17                 Apr 21                 May 1                  May 5                  May 15                May 30                Jun 29
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------