ikou 以降 いこう

Noun meaning: from... on, after

1. After noun expressing point in time, followed by particle
来週以降はとても忙しいです。
Raishuu ikou wa totemo isogashii desu.
I'll be very busy from next week on.
今晩九時以降に電話してください。
Konban ku ji ikou ni denwa shite kudasai.
Please call me after nine tonight.

-> See also: igo, irai, kara