約束の日がせまっている。

promise; agreement; arrangement; one's word; contract; pact; appointment; engagement; date; convention; rule; destiny; fate

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

day; days; sun; sunshine; sunlight; case (esp. unfortunate); event

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to approach; to draw near; to be imminent; to press (someone for something); to urge; to compel