If Monday is the first day of the month, the very next Saturday is the fifth day of the month.

如果星期一是某月的第一天，那么下一个周六便是该月的第五天。

youdao

New Year festivities traditionally start on the first day of the month and continue until the fifteenth, when the moon is brightest.

新的一年的庆祝活动，传统上的第一天开始，并持续到第十五，当月亮是最亮的。

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If you only issue security patches on the first day of the month, the black hats will soon learn to unleash their hounds on the second day.

如果您只在每月的第一天发布安全性补丁，那么一些黑客很快就会掌握窍门，第二天就能闯进来。

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It was the first day of trading since state-owned Dubai World asked for a six-month delay in repaying its debts.

VOA: standard.2009.11.30

"It's the first day of the month and in today's market it's really about the month-to-month gain, " Rueckert said.

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Below is a table showing all instances since 1980 where the index fell at least 1.5% on the first day of the month.

FORBES: Dismal June Start Bodes Well For Sweet S&P 500 Rebound

"It'll probably mean that rather than being gone by lunchtime on the first day of the month, the grants are gone by 3 o'clock in the afternoon of the first day, " observed Dr Hinnells.

BBC: ANALYSIS