Anonymous ID: d56e86 March 3, 2019, 9:12 a.m. No.5482483   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun   >>2502 >>2509

>>5482403

Why [:19] ?

On a discretely ticking clock, at minute :42 the hour hand would still be at [:18].

It would switch to [:19] only at minute :48 in order to move to [:20] at the full hour.

[:18] would also be perfectly symmetrical to [:42] about the [30] marker.