2024 Iowa Code 1D.1 – Standard time and daylight saving time

2023 Iowa Code 1D.1 – Standard time and daylight saving time

2022 Iowa Code 1D.1 – Standard time and daylight saving time

2020 Iowa Code 1D.1 – Standard time and daylight saving time

2018 Iowa Code 1D.1 – Standard time and daylight saving time

2016 Iowa Code 1D.1 – Standard time and daylight saving time

2014 Iowa Code 1D.1 – Standard time and daylight saving time.

2009 Iowa Code 1D.1 – Standard time and daylight saving time