How many hours do you usually spend training a new hire for management?

We just got two new hires at my work, both women and they are being trained for manager tasks. How long are they usually trained for? Time keeps changing in the manner that new hires are trained from beginning to end It's been over 2 weeks now and I'm exhausted. I'm not even a manager.
How many hours do you usually spend training a new hire for management?
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