Talking About the Scheduled Time

火曜日はどうですか [kayōbi wa dō desu ka]
How about Tuesday?

• 火曜日 [kayōbi] means "Tuesday"
• は [wa] in this case means "as for.."
• どう [dō] means "how?"

都合がいいです [tsugō ga ii desu]
It works for me.

• 都合 [tsugō] means "convenience"
• が [ga] makes 都合 the subject of the sentence
• いいです [ii desu] means "is good"

火曜日は都合がいいです [kayōbi wa tsugō ga ii desu]
Tuesday works for me.

• 火曜日は [kayōbi wa] means "As for Tuesday"
• 都合がいいです [tsugō ga ii desu] means "convenience is good"

都合が悪いです [tsugō ga warui desu]
Doesn't work for me.

• 悪いです [warui desu] means "it's bad"

火曜日は都合が悪いです [kayōbi wa tsugō ga warui desu]
Tuesday doesn't work for me.

• 火曜日は [kayōbi wa] means "As for Tuesday"
• 都合が悪いです [tsugō ga warui desu] means "doesn't work for me"

• A: いつ会いますか
  When will we meet?
• B: 水曜日はどうですか [suiyōbi wa dō desu ka]
  How about Wednesday?
• A: 水曜日は都合が悪いです
  Wednesday doesn't work for me.
• B: 土曜日はどうですか [doyōbi wa dō desu ka]
  How about Saturday?
• B: 土曜日は都合が良いです
  Saturday works for me.