If you want this piece of gear then you have more or less 13 hours…
Sigma 18-35mm f/1.8 and Sigma 24-105mm f/4 OS In Stock and Ready To Ship
B&H Photo has both the Sigma 18-35mm f/1.8 DC HSM and the Sigma 24-105mm f/4 DG OS HSM lenses in stock right now (limited supply) and ready to ship.