Editing Daylight saving time (section)

=== Inconvenience ===
DST's clock shifts have the disadvantage of complexity. People must remember to change their clocks; this can be time-consuming, particularly for mechanical clocks that cannot be moved backward safely.<ref>{{cite news|url=http://www.recordcourier.com/apps/pbcs.dll/article?AID=/20031024/NEWS/310240104 |work=Record–Courier |date=24 October 2003 |title=Daylight saving time ends Sunday |author=Joey Crandall |url-status=dead |archive-url=https://web.archive.org/web/20120229232157/http://www.recordcourier.com/apps/pbcs.dll/article?AID=%2F20031024%2FNEWS%2F310240104 |archive-date=29 February 2012 }}</ref> People who work across time zone boundaries need to keep track of multiple DST rules, as not all locations observe DST or observe it the same way. The length of the calendar day becomes variable; it is no longer always 24 hours. Disruption to meetings, travel, broadcasts, billing systems, and records management is common, and can be expensive.<ref>{{cite news |author=Paul McDougall |title=PG&E says patching meters for an early daylight-saving time will cost $38&nbsp;million |work=InformationWeek |url=http://www.informationweek.com/news/internet/showArticle.jhtml?articleID=197700487 |date=1 March 2007 |access-date=13 February 2009 |archive-date=6 December 2008 |archive-url=https://web.archive.org/web/20081206010328/http://www.informationweek.com/news/internet/showArticle.jhtml?articleID=197700487 |url-status=live }}</ref> During an autumn transition from 02:00 to 01:00, a clock shows local times from 01:00:00 through 01:59:59 twice, possibly leading to confusion.<ref>{{cite web |url=http://www.webexhibits.org/daylightsaving/c.html |year=2008 |title=Daylight saving time: rationale and original idea |quote=...&nbsp;Lord Balfour came forward with a unique concern: 'Supposing some unfortunate lady was confined with twins&nbsp;...' |access-date=13 February 2009 |archive-date=9 June 2016 |archive-url=https://web.archive.org/web/20160609015207/http://www.webexhibits.org/daylightsaving/c.html |url-status=live }}</ref>

Many farmers oppose DST, particularly [[dairy farmers]] as the milking patterns of their cows do not change with the time,<ref name="NatGeo Time">{{cite news |author=Brian Handwerk |date=1 December 2013 |title=Time to Move On? The Case Against Daylight Saving Time |publisher=[[National Geographic News]] |url=http://news.nationalgeographic.com/news/2013/11/131101-when-does-daylight-savings-time-end-november-3-science/ |url-status=dead |access-date=9 March 2014 |archive-url=https://web.archive.org/web/20140313140334/http://news.nationalgeographic.com/news/2013/11/131101-when-does-daylight-savings-time-end-november-3-science/ |archive-date=13 March 2014}}</ref><ref name="NFU">{{cite web|title=Should we change the clocks?|url=http://www.nfuonline.com/News/Should-we-change-the-clocks-/|url-status=dead|archive-url=https://archive.today/20120314021932/http://www.nfuonline.com/News/Should-we-change-the-clocks-/|archive-date=14 March 2012|access-date=6 January 2012|publisher=National Farmers Union}}</ref><ref>{{Cite news|last=Crossen|first=Cynthia|date=6 November 2003|title=Daylight Saving Time Pitted Farmers Against The 'Idle' City Folk|language=en-US|work=[[The Wall Street Journal]]|url=https://www.wsj.com/articles/SB106798569494029700|access-date=4 December 2020|issn=0099-9660|archive-date=28 March 2021|archive-url=https://web.archive.org/web/20210328235545/https://www.wsj.com/articles/SB106798569494029700|url-status=live}}</ref> and others whose hours are set by the sun.<ref name="farming">Effect on those whose hours are set by the sun:
* {{harvp|''Spring Forward''|2005|pp=19–33}}
* {{harvp|''Seize the Daylight''|2005|pp=103–110, 149–151, 198}}</ref> There is concern for schoolchildren who are out in the darkness during the morning due to late sunrises.<ref name="NatGeo Time" />