One's Convenience
Circumstances
adverb, noun
つごう
都合 (つごう) One's Convenience, Circumstances
都合が悪い (つごうがわるい、not on WK) Inconvenient
勝手 (かって) As One Pleases, One's Own Convenience, One's Own Way, One's Way
Feel free to つ go ごう at your Convenience.