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Iowa Code § 1D.1

This is the official text of Iowa Code § 1D.1, part of Iowa’s Code — part of the compiled statutory law of Iowa, published by the state as "Code." Browse the sections below, each linked to its official government source.

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Standard time and daylight saving time.

Official statutory text

The standard time in this state is the solar time of the ninetieth meridian of longitude west of Greenwich, England, commonly known as central standard time, except that from 2:00 ante meridiem of the first Sunday of April in every year until 2:00 ante meridiem of the last Sunday of October in the same year, standard time shall be advanced one hour. The period of time so advanced shall be known as “daylight saving time”.

[C66, 71, 73, 75, 77, 79, 81, §122A.1]89 Acts, ch 83, §25C93, §1D.12015 Acts, ch 29, §1

Status: in_force · Read it on the official government site

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About this page: Statute text is reproduced from official government publishers via the Open US Law dataset (Vaquill AI, snapshot v2026.08, CC BY 4.0). Primary legislative text like this is public domain under the government-edicts doctrine (Georgia v. Public.Resource.Org, 2020). We link every section back to its official source so you can verify it independently.