'I will be leaving work at midday' vs 'I am going to leave work at midday'

[Eliane1000]

Are there any difference between:
I will be leaving work at around midday and I am going to leave work at around midday. ??

[Mister Micawber]

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'Going to' indicates intention or decision. 'Will' states a future fact.
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Native English teacher at Mister Micawber's