Is ‘taking a holiday’ means a personal vacation? It doesn’t necessarily mean a holiday like Christmas or New Years?

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For the United States, holiday refers to Christmas/New Years/etc..

We just say 'vacation' or 'time off'.

For the United Kingdom, they refer to holidays as both Christmas/etc and personal vacation/ time off.

taking a holiday is used as an expression to indicate any time someone is taking an extended. leave from work. usually this is for Christmas or an actual holiday. it could be anything , anytime for any reason.

often when. people are out of work they will say they are just taking a holiday while they try to find a new job. this is to avoid embarrassment from long term unemployment.

often taking a holiday can be used when someone is really sick.

this term is synonomous with

sabbatical - an extended time away from work .

your boss also might ask you to take a holiday..

this means you have lost your job.