When the context is clear as well as the noun is often omitted, el is usually combined with adverbs and adjectives that allow you to identify and explain the noun. Considering that times from the week in Spanish are masculine, they’re preceded by el when working with these words https://financefeeds.com/bitcoin-cash-nears-500-after-22-price-surge-bitcoin-layer-2-presale-raises-1-4-million/