https://idioms.thefreedictionary.com/time has come

1. A person or animal has reached the end of their life.
Don't grieve, son. I've lived a long and fulfilling life, and now my time has come.

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Note added at 21 mins (2020-09-29 02:19:31 GMT)
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This is a passage from the bible with many translations for this expression
https://biblehub.com/matthew/26-18.htm

My appointed time is near
My time has come
My time is at hand
My time is near
My hour has come
My time is close at hand