そろそろ出発時間だ。

そろそろ出発時間だ。

It's about time to start.

そろそろ出発(しゅっぱつ)時間(じかん)だ。

Sorosoro shuppatsu jikan da.

そろそろ (そろそろ、そろっと)

slowly; quietly; steadily; gradually; gingerly; soon; momentarily; before long; any time now

出発 (しゅっぱつ)

departure

時間 (じかん)

time; hours

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Readings: シュツ、スイ、で.る、 -で、だ.す、 -だ.す、い.でる、い.だす

Meanings: exit, leave, go out, come out, put out, protrude

Readings: ハツ、ホツ、た.つ、あば.く、おこ.る、つか.わす、はな.つ

Meanings: departure, discharge, publish, emit, start from, disclose, counter for gunshots

Readings: ジ、とき、 -どき

Meanings: time, hour

Readings: カン、ケン、あいだ、ま、あい

Meanings: interval, space