UniWiki:Manual of Style/Dates and numbers: Difference between revisions

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 The numerical elements of times-of-day are figures ({{xt|12:45&nbsp;p.m.}}) rather than words ({{!xt|twelve forty-five p.m.}}) though conventional terms such as {{xt|noon}} and {{xt|midnight}} are acceptable (taking care, with the latter, to avoid possible date ambiguity in constructions such as {{xt|midnight on July 17}}).
-====<span id="timezones"></span>Time zones====
+====Time zones====
-{{shortcut|MOS:TIMEZONE}}Give dates and times appropriate to the [[time zone]] where an event took place. For example, the date of the [[attack on Pearl Harbor]] should be December{{nbsp}}7, 1941 (Hawaii time/{{zwsp}}date). Give priority to the place at which the event had its most significant effects; for example, if a hacker based in China attacked a Pentagon computer in the US, use the time zone for the Pentagon, where the attack had its effect. In some cases the best solution may be to add the date and time in [[Coordinated Universal Time]] (UTC). For example:
-:&nbsp; &bull; &nbsp; {{xt|8{{nbsp}}p.m. [[Eastern Standard Time (North America)|Eastern Standard Time]] on January{{nbsp}}15, 2001 (01:00{{nbsp}}UTC, January{{nbsp}}16)}}
-Alternatively, include just the [[UTC offset]]:
+Give dates and times appropriate to the [[Wikipedia:Time zone|time zone]] where an event took place. For example, the date of the [[Wikipedia:Attack on Pearl Harbor|attack on Pearl Harbor]] should be December&nbsp;7, 1941 (Hawaii time/&#8203;date). Give priority to the place at which the event had its most significant effects; for example, if a hacker based in China attacked a Pentagon computer in the US, use the time zone for the Pentagon, where the attack had its effect. In some cases the best solution may be to add the date and time in [[Wikipedia:Coordinated Universal Time|Coordinated Universal Time]] (UTC). For example:
-:&nbsp; &bull; &nbsp;{{xt|21:00{{nbsp}}[[British Summer Time]] ([[UTC+1]]) on 27{{nbsp}}July 2012}}
+:&nbsp; &bull; &nbsp; {{xt|8{{nbsp}}p.m. [[Wikipedia:Eastern Standard Time (North America)|Eastern Standard Time]] on January{{nbsp}}15, 2001 (01:00{{nbsp}}UTC, January{{nbsp}}16)}}
-Rarely, the time zone in which a historical event took place has since changed; for example, China to 1949 was divided into [[Historical time zones of China|five time zones]], whereas all of modern China is [[UTC+8]]. Similarly, the term "UTC" is not appropriate for dates before this system was adopted in 1960;<ref>{{cite book |title=CCTF/09-32: Coordinated Universal Time (UTC) |date=2009-06-02 |publisher=[[Bureau International des Poids et Mesures|BIPM]] |page=3 |quote=This coordination began on January 1, 1960, and the resulting time scale began to be called informally 'Coordinated Universal Time.'&thinsp; |url= http://www.bipm.org/cc/CCTF/Allowed/18/CCTF_09-32_noteUTC.pdf |accessdate=2015-08-20}}</ref> [[Universal Time]] (UT) is the appropriate term for the mean time at the [[prime meridian (Greenwich)]] when it is unnecessary to specify the precise definition of the time scale. Be sure to show the UTC or offset appropriate to the clock time in use at the time of the event, not the modern time zone, if they differ.
+Alternatively, include just the [[Wikipedia:UTC offset|UTC offset]]:
+:&nbsp; &bull; &nbsp;{{xt|21:00{{nbsp}}[[Wikipedia:British Summer Time|British Summer Time]] ([[Wikipedia:UTC+1|UTC+1]]) on 27{{nbsp}}July 2012}}
+Rarely, the time zone in which a historical event took place has since changed; for example, China to 1949 was divided into [[Wikipedia:Historical time zones of China|five time zones]], whereas all of modern China is [[Wikipedia:UTC+8|UTC+8]]. Similarly, the term "UTC" is not appropriate for dates before this system was adopted in 1960; [[Wikipedia:Universal Time|Universal Time]] (UT) is the appropriate term for the mean time at the [[Wikipedia:Prime meridian (Greenwich)|prime meridian (Greenwich)]] when it is unnecessary to specify the precise definition of the time scale. Be sure to show the UTC or offset appropriate to the clock time in use at the time of the event, not the modern time zone, if they differ.
 ===<span id="dates"></span><span id="Dates and years"></span> Dates, months and years===