Sometime means “at some point.” As an adjective, sometime also means “former.” Some time means “a period of time”—usually a long period of time.

Is there a difference between sometime and some time?

'Sometime' can mean at some point in time in the future or the past. "I would like to discuss this project with you sometime soon." "If you are free sometime this week, let's meet for lunch." When we say 'some time', it refers to a span of time.

What is correct some time or sometime?

Sometime means “at some point.” As an adjective, sometime also means “former.” Some time means “a period of time”—usually a long period of time.