depending on the time and circumstances
A set phrase used to express that something may or may not happen based on the situation at a given moment. Often implies a conditional or tentative stance.
Depending on the time and circumstances, we may change the plan.
Depending on the time and circumstances, my reply might be delayed.
Means 'sometimes' or 'at times', focusing on occasional occurrence rather than conditional dependence.
A compound phrase from 時 (time), 場合 (circumstances), and によって (depending on). The exact historical origin as a set expression is uncertain.