<a
href="https://www.smg.gov.mo/en/subpage/224/page/174">similar
history for Macau</a>.
Unfortunately the latter is incomplete and has errors.</dd>
<dt>Czech Republic</dt>
<dd><a href="https://kalendar.beda.cz/kdy-zacina-a-konci-letni-cas"
hreflang="cs">When daylight saving time starts and ends (in Czech)</a>
summarizes and cites historical <abbr>DST</abbr> regulations.</dd>
<dt>Germany</dt>
<dd>The National Institute for Science and Technology maintains the <a
href="https://www.ptb.de/cms/en/fachabteilunge