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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. | 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. | ||
=== | ===Dates, months and years=== | ||
====Formats==== | |||
{| class="wikitable" | {| class="wikitable" | ||
|+ Acceptable date formats | |+ Acceptable date formats | ||