Trump’s Iran war timeline shifts as Strait of Hormuz blockade deepens

Donald Trump agreed to a two-week ceasefire with Iran less than two hours before his deadline for Tehran to reopen the Strait of Hormuz or face attacks on civilian infrastructure, another turn in a war timeline that has shifted repeatedly since fighting began on February 28, 2026.

The moving deadlines have become central to how the conflict is understood in Washington and abroad. Trump has alternated between escalation and de-escalation, at different points suggesting the war could end in weeks rather than months. By late March, one reported toll put the conflict at 13 U.S. soldiers killed and hundreds of service members injured, sharpening questions about the administration’s stated aims and how much room remained for diplomacy after the fighting had already spread.

The latest pressure point is maritime. A U.S. blockade of vessels tied to Iranian ports began Monday at 10 a.m. EDT, while Iran imposed its own restrictions on passage. The first full day of the U.S. blockade on April 14 made little difference to traffic through the Strait of Hormuz, but the standoff has already rattled tanker routes and energy markets. The strait is a chokepoint for oil, fertilizer and other vital goods, making it one of the most consequential waterways in the world for supply chains and gas prices.

Iran has warned that if traffic to and from its ports is impeded, no Gulf ports will be safe. Some reports have suggested Tehran may be open to limited access through the Omani side of the waterway as talks continue, but the broader picture remains unsettled. The administration has tied any pause in bombing to the reopening of the strait, leaving the public with a war narrative that shifts alongside the deadlines. That has made it harder to tell whether the goal is deterrence, maritime leverage or a broader settlement, and it has raised the stakes for every new claim out of the White House.