
Clarifying time differences
The user's statement about a fixed 12-hour difference needs correction: it’s 12 hours during Daylight Saving Time and 13 hours during Standard Time. I noticed "美东" is ambiguous; FIFA refers to it as "ET." I should ask if they need a conversion rule or a list. Also, I can give a brief explanation and examples, noting that DST typically runs from the second Sunday in March to the first Sunday in November.Using time zones for clarity
I want to emphasize using time zones to prevent mistakes. FIFA may list times in the local host timezone, and if they mention "ET," it might adjust for Daylight Saving Time automatically. Remember, "ET" includes DST, while "EST" or "EDT" are explicit. So, the correct approach is: add 12 hours for Daylight Saving Time (March to November) and 13 hours otherwise. I can help convert event times if they provide them. Let's put this all together clearly!
不完全对。美东时间和北京时间的时差不是固定12小时,取决于美东是否处于夏令时:
- 夏令时(EDT,约每年3月中旬至11月上旬):北京时间比美东快12小时
- 冬令时(EST,约每年11月上旬至次年3月中旬):北京时间比美东快13小时
换算要点:

- FIFA若标注“ET”,表示会随夏令时/冬令时自动切换;标“EDT/EST”则明确是哪种
- 简记:3–11月加12小时;11–3月加13小时(以当年美国夏令时切换日为准)
示例:

- 6月14日 20:00 ET → 北京时间 6月15日 08:00(+12)
- 11月21日 20:00 ET → 北京时间 11月22日 09:00(+13)

需要的话,把你手上的赛程时间贴过来(含日期和标注的时区/ET),我帮你逐条换算成北京时间。
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