The Prophet (ﷺ) never raised his hands for any invocation except for that of Istisqa' and he used to raisethem so much that the whiteness of his armpits became visible. (Note: It may be that Anas did not seethe Prophet (ﷺ) raising his hands, but it is narrated that the Prophet (ﷺ) used to raise his hands for invocationsother than Istisqa.