The Quran gives no date
Hud and the believers saved
Allah saves Hud and those who believed with him by His mercy. Tradition says Hud spent his last days in Hadramawt, where a shrine bears his name.
And when Our command came, We saved Hud and those who believed with him, by mercy from Us; and We saved them from a harsh punishment.
Quran 11:58
Source: Quran, Ibn Kathir