# The US military set a start of April 13 at 10 a.m. New York time for the blockade.

*business · news · 2026-04-14 · ThePrint*

## Key points

- The US Navy blockade of Iranian ports began April 13 and targets all vessels entering or leaving Iran.
- A UK naval group confirmed it is developing new routing and transit guidelines in response to the US blockade.
- The US blockade invalidates recent waivers allowing countries like India to buy sanctioned Iranian oil.
- Iran threatened to target all Persian Gulf and Sea of Oman ports if its shipping hubs are threatened.
- Iran has managed to impede others' shipping while keeping its own oil exports flowing, boosting revenues.

**Countries:** United States, Iran, United Kingdom

[Read the full story on ThePrint](https://theprint.in/world/what-to-know-about-the-us-blockade-of-irans-ports/2904663/)

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