§ 2-4-109 — Standard time - daylight saving time - definition - repeal

Colorado § 2-4-109

• Jurisdiction: Colorado
• Title 02: Legislative
• Art.: Construction of Statutes

Text

(1) (a)
The standard time within the state, except as provided in subsection (2) of this
section, is that which is now known and designated by act of congress as United
States Mountain Standard Time.

(b) This subsection (1) is repealed, effective on the date subsection (2.5) of
this section takes effect.

(2) (a) From two o'clock antemeridian on the second Sunday of March, until
two o'clock antemeridian on the first Sunday of November, or such other times and
days as may, from time to time, be designated by act of congress, the standard time
in this state so established shall be one hour in advance of the standard time now
known as United States Mountain Standard Time.

(b) This subsection (2) is repealed, effective on the date subsection (2.5) of
this section takes effect.

(2.5) (a) The standard time within the state throughout the year is
coordinated universal time minus six hours. As used in this section, coordinated
universal time means the time scale maintained through the general conference of
weights and measures and interpreted or modified for the United States by the
secretary of commerce in coordination with the secretary of the Navy.

(b) (I) This subsection (2.5) takes effect at two o'clock antemeridian on the
first Sunday of November after the governor notifies the revisor of statutes that the
following conditions have occurred:

(A) A federal law is enacted and takes effect that authorizes states to adopt
coordinated universal time minus six hours, commonly known as United States
Mountain Daylight Saving Time, as the standard time for the state throughout the
year; and

(B) At least four states in the mountain standard time zone, in addition to
Colorado, enact legislation that becomes law making coordinated universal time
minus six hours, commonly known as United States Mountain Daylight Saving
Time, the states' standard time throughout the year.

(II) The governor shall notify the revisor of statutes in writing of the date on
which the conditions specified in subsection (2.5)(b)(I) of this section have occurred
by emailing the notice to revisorofstatutes.ga@coleg.gov.

(III) For purposes of this subsection (2.5)(b), the mountain standard time zone
includes Arizona, New Mexico, Colorado, Utah, Wyoming, Montana, and the
southern portion of Idaho as described in 15 U.S.C. sec. 264.

(3) In all laws, statutes, orders, decrees, rules, and regulations relating to the
time of performance of any act by any officer or department of this state, or of any
county, city and county, city, town, district, or other political subdivision thereof, or
relating to the time in which any rights shall accrue or determine, or within which
any act shall or shall not be performed by any person subject to the jurisdiction of
the state, and in all the public schools and in all other institutions of this state, or of
any county, city and county, city, town, or district thereof, and in all contracts or
choses in action made or to be performed in this state, the time shall be as set forth
in this section and it shall be so understood and intended.

Legislative History

Source: L. 73: R&RE, p. 1423, � 1. C.R.S. 1963: � 135-1-109. L. 87: (2) amended, p. 1574, � 2, effective July 10. L. 2007: (2) amended, p. 2018, � 4, effective June 1. L. 2022: (1) and (2) amended and (2.5) added, (HB 22-1297), ch. 330, p. 2321, � 2, effective August 10.