The <a href="https://en.wikipedia.org/wiki/North_American_Regional_Broadcasting_Agreement" id="mwoA" rel="mw:WikiLink" title="North American Regional Broadcasting Agreement">North American Regional Broadcasting Agreement</a> goes into effect at 03:00 local time.<sup about="#mwt101" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-18"}}' id="cite_ref-18" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_29#cite_note-18" id="mwoQ" style="counter-reset: mw-Ref 18;"><span class="mw-reflink-text" id="mwog">[18]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-18"><cite about="#mwt98" class="citation journal cs1" id="CITEREFOtterman1941">Otterman, H. B. (April 1941). "North American Regional Radio-Engineering Meeting, Washington, 1941". <i id="mwCQA">American Journal of International Law</i>. <b id="mwCQE">35</b> (2): 363–365. <a class="mw-redirect" href="./Doi_(identifier)" id="mwCQI" rel="mw:WikiLink" title="Doi (identifier)">doi</a>:<a class="external text" href="https://doi.org/10.1017%2FS000293000013636X" id="mwCQM" rel="mw:ExtLink nofollow">10.1017/S000293000013636X</a>. <a class="mw-redirect" href="./S2CID_(identifier)" id="mwCQQ" rel="mw:WikiLink" title="S2CID (identifier)">S2CID</a><span id="mwCQU" typeof="mw:Entity"> </span><a class="external text" href="https://api.semanticscholar.org/CorpusID:151934239" id="mwCQY" rel="mw:ExtLink nofollow">151934239</a>.</cite><span about="#mwt98" class="Z3988" id="mwCQc" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=American+Journal+of+International+Law&amp;rft.atitle=North+American+Regional+Radio-Engineering+Meeting%2C+Washington%2C+1941&amp;rft.volume=35&amp;rft.issue=2&amp;rft.pages=363-365&amp;rft.date=1941-04&amp;rft_id=info%3Adoi%2F10.1017%2FS000293000013636X&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A151934239%23id-name%3DS2CID&amp;rft.aulast=Otterman&amp;rft.aufirst=H.+B.&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AMarch+29"></span></span>