What does '9.10' refer to in this phrase "the 9.10 from Edinburgh to Dundee"?

Im sure this phrase is something about train, but have no idea about the "9.10". Is it the time of the train or a specific name of train？Im not Englis

I'm sure this phrase is something about train, but have no idea about the "9.10". Is it the time of the train or a specific name of train？I'm not English native speaker. Plz help.

or:I'm sure this phrase is something about train, but have no idea about the \"9.10\". Is it the time of the train or a specific name of train\uff1fI'm not English native speaker. Plz help.

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