US President Donald Trump's 48-hour ultimatum to Iran expires Tuesday night at 8:00 PM Eastern Time, demanding the Strait of Hormuz reopening. Trump may extend the deadline if a deal appears feasible, according to administration officials. However, defense officials expressed skepticism about an extension. This marks Trump's potential fifth deadline extension. Iran rejected both Trump's 15-point and Pakistan's peace proposals, presenting its own 10-point plan instead.