工作之餘 的英文怎麼說?

[1] during off-work hours[2] during off-working hours[3] during off-hours

during off-work hours 跟 during off-working hours 都指下班的時候，during off-hours 也指下班的時候，例如:

I spend my off-hours playing basketball.

也可指非尖端時間，如:

I travel by car during the off-hours.