This is a sunny midsummer day.

这是一个阳光明媚的仲夏。

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Thus midsummer day is the happiest day of Swedish people.

因而仲夏节这天是瑞典人民最快乐的日子。

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And after midsummer day, sunny, sunshine for up to 20 hours.

而仲夏节前后，阳光充足，日照长达20小时。

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' She's leading a Midsummer service the day after the festival, but accepts that she's got her work cut out.

BBC: Here comes the sun in Sweden

Held each June on the closest weekend to the longest day of the year (this year from 22 to 24 June), midsummer is Finland's most enthusiastic party -- an excuse for lakeshore bonfires, midnight airshows, drinking games, skinny dipping, saunas and all-you-can-eat banquets of grillimakkara (grilled sausages) served with mustard and the season's first new potatoes.

BBC: Finland's summer feast