《资治通鉴·唐纪·唐纪二十三》
九月，庚寅朔，出现日食，是日全食。
九月，庚寅朔，日有食之，既。
In September, on the first day of the gengyin month, there was a solar eclipse, which was a total eclipse.
<s>[INST] Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 九月，庚寅朔，日有食之，既。 Updated: 九月，庚寅朔，出现日食，是日全食。 [/INST] In September, on the first day of the gengyin month, there was a solar eclipse, which was a total eclipse.</s>
Take each pair of old and new sentences and unite them into a single translation that captures the core meaning: Archaic: 九月，庚寅朔，日有食之，既。 Updated: 九月，庚寅朔，出现日食，是日全食。
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In September, on the first day of the gengyin month, there was a solar eclipse, which was a total eclipse.
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