Abu Dawud said : "when the time draws near" means that when the day and night are equal.
In-book : Book 43, Hadith 247
English translation : Book 42, Hadith 5001
43. General Behavior (Kitab Al-Adab)
باب فِي الْجُنُبِ يُصَلِّي بِالْقَوْمِ وَهُوَ نَاسٍ