Joel
Joel 2:12ASV·traditional attribution

Yet even now, saith Jehovah, turn ye unto me with all your heart, and with fasting, and with weeping, and with mourning:

John Gill Reformed Baptist

Therefore also now, saith the Lord,.... Before this terrible and intolerable day, which is near at hand, comes; before these judgments and calamities threatened take place, though just at hand; serious repentance is never too late, now is the accepted time; see Luk 19:42; turn ye even to me with all your heart; against whom they had sinned, and who had prepared his army against...

Keil & Delitzsch Lutheran

Joe 2:12-14 But there is still time to avert the completion of the judgment by sincere repentance and mourning; for God is merciful, and ready to forgive the penitent. Joe 2:12. “Yet even now, is the saying of Jehovah, turn ye to me with all your heart, and with fasting, and with weeping, and with mourning. Joe 2:13.

Commenting on Joel 2:12-14

Jamieson-Fausset-Brown Reformed

With such judgments impending over the Jews, Jehovah Himself urges them to repentance. also now--Even now, what none could have hoped or believed possible, God still invites you to the hope of salvation. fasting . . . weeping . . . mourning--Their sin being most heinous needs extraordinary humiliation. The outward marks of repentance are to signify the depth of their sorrow for sin.