以降

いこう

on and after, hereafter

JLPT N2

Character Breakdown

Usage of

The term is used to indicate a point in time from which something starts and continues onward. It is often translated as "on and after" or "hereafter." It is commonly used in formal or written contexts to specify when a rule, event, or condition begins.

Common Collocations

  • 时间 (time from then on): used to specify a period starting from a certain point.
  • 从... (from... onwards): a common pattern to mark the starting point of an action or state.

Nuances and Tips

Using implies a clear boundary in time, often emphasizing that something changes or starts at that moment. It is more formal than simply saying 后 and is often found in official announcements or written instructions.

Avoid confusing with , which alone means "to descend" or "to drop." The compound specifically relates to time.

Summary

Use when you want to express "from this point forward" in a formal or written style, especially in contexts like schedules, rules, or official statements.

Example Sentences

On and after the exam, the students started to study harder.

From tomorrow onwards, the new regulations will officially take effect.

Please keep your phone available from now on.