Hopefully someone notices what is the cause for the problem I m having.
在其他所有时间区,例如“欧洲/赫尔辛基”的计算结果如下:正确的数值,但出于某种原因,我对Etc/GMT+2风格的时间区和反之亦然(例如,Etc/GMT-2I获得积极价值,7200)。
$dateTimeZone = new DateTimeZone( Etc/GMT+2 );
echo $dateTimeZone->getOffset(new DateTime("now", new DateTimezone( UTC )));
Expected: 7200 Result: -7200
<代码>Etc/GMT+2 时区是指否则将称作“GMT -2”或如<代码><日期时间与幅度;-02:00。
这是因为PPOSIX代表了这些时间区:
这笔冲销具体指明了你必须增加当地时间,以取得协调的普遍时间价值。 它有类似于[+->h[:[s]]]。 如果当地时间区位于梅里德南以西,如果是东部,情况就是积极的。 时间为0至23小时,时间为0至59分。
TZ Variable。
而且:
北极时间区缩略语通常在美洲金枪鱼委以东数小时,例如日本+09和夏威夷10小时。 然而,PPOSIX TZ环境变量使用了相反的公约。 例如,日本和夏威夷可能分别使用TZ=“JST-9”和TZ=“HST10”。 如果具备茨数据库,通常最好利用TZ=“亚洲/东京”和TZ=“太平洋/Honolulu”等环境,因为这样可以避免混乱,更好地处理旧的邮票,使你能够更好地摆脱今后对规则的任何变化。 永远不应将PPOSIX TZ设定为“GMT-9”等值,因为这样会错误地声称,当地时间比UTC提前9小时,时间区被称为“GMT”。
From Sources for Time Zone and Daylight Saving Time Data - Time notation.
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