at any time, now

up to this very moment

天の下: the whole world, under heaven; the people of the country or nation; the imperial court; the administration, the government; all of Japan

天が下: the whole world, under heaven; the people of the country or nation; the imperial court; the administration, the government; all of Japan

threatening sky, signs of rain, looking like rain / rainy weather

the process of something coming out / something that comes out

being from a certain place / coming out

(obsolete) to go or come out

emergence

to descend / to fall / to precipitate / to surrender