Exodus 10:21-22

21And the LORDH3068 saidH559 unto MosesH4872, StretchH5186 outH5186 thine handH3027 towardH413 heavenH8064, that there may be darknessH2822 over the landH776 of EgyptH4714, evenH4714 darknessH2822 which may be feltH4959.

22And MosesH4872 stretchedH5186 forth his handH3027 towardH5921 heavenH8064; and there was a thickH653 darknessH2822 in allH3605 the landH776 of EgyptH4714 threeH7969 daysH3117;