The Latest: U.S. Navy says destroyer collided at 2:20 a.m.

The container ship ACX Crystal with its left bow dented and scraped after colliding with the USS Fitzgerald in the waters off the Izu P

This undated photo released by the U.S. Navy, Monday, June 19, 2017, shows Fire Controlman 1st Class Gary Leo Rehm Jr., 37, from Elyria

The container ship ACX Crystal with its left bow dented and scraped after colliding with the USS Fitzgerald in the waters off the Izu P

Damaged part of USS Fitzgerald is seen at the U.S. Naval base in Yokosuka, southwest of Tokyo Sunday, June 18, 2017. Navy divers found

Damaged part of USS Fitzgerald is seen at the U.S. Naval base in Yokosuka, southwest of Tokyo Sunday, June 18, 2017. Navy divers found

This screenshot provided by vessel-tracking service MarineTraffic shows a track of the route of the container ship ACX Crystal that col

Damaged USS Fitzgerald is seen at Yokosuka Naval Base, south of Tokyo, Sunday, June 18, 2017. Navy divers found the bodies of missing

In this Saturday, Junes 17, 2017, photo, the damaged USS Fitzgerald is seen off Yokosuka, near Tokyo, Japan, after the Navy destroyer c

In this Saturday, June 17, 2017, photo, the container ship ACX Crystal goes through the Tokyo Bay after colliding with the USS Fitzgera

In this Saturday, June 17, 2017, photo, the container ship ACX Crystal with its left bow dented and scraped after colliding with the US

In this Saturday, June 17, 2017, photo, the container ship ACX Crystal with its left bow dented and scraped after colliding with the US

This undated photo released by the U.S. Navy, Monday, June 19, 2017, shows Sonar Technician 3rd Class Ngoc T Truong Huynh, 25, from Oak

This undated photo released by the U.S. Navy, Monday, June 19, 2017, shows Yeoman 3rd Class Shingo Alexander Douglass, 25, from San Die

This undated photo released by the U.S. Navy, Monday, June 19, 2017, shows Gunner's Mate 2nd Class Noe Hernandez, 26, from Weslaco, Tex

This undated photo released by the U.S. Navy, Monday, June 19, 2017, shows Personnel Specialist 1st Class Xavier Alec Martin, 24, from

This undated photo released by the U.S. Navy, Monday, June 19, 2017, shows Fire Controlman 2nd Class Carlos Victor Ganzon Sibayan, 23,

This undated photo released by the U.S. Navy, Monday, June 19, 2017, shows Gunner's Mate Seaman Dakota Kyle Rigsby, 19, from Palmyra, V

This screenshot provided by vessel-tracking service MarineTraffic shows a track of the route of the container ship ACX Crystal that col

TOKYO (AP) — The Latest on the collision early Saturday between a U.S. Navy destroyer and a container ship off the Japanese coast that killed seven Navy sailors (all times local):

7 p.m.

The U.S. Navy says it still believes that a collision between the destroyer USS Fitzgerald and a container ship occurred at 2:20 a.m., even though Japanese coast guard officials say it happened about an hour earlier.

Cmdr. Ron Flanders, a Navy spokesman, said Monday that the destroyer reported to officials that it collided at 2:20 a.m. Saturday with the Philippine-flagged container ship off the coast of Yokosuka near Tokyo. Seven American sailors died in the crash.

Coast guard officials said they have revised the time of the collision to 1:30 a.m. from their earlier estimate of 2:20 a.m. after interviewing crewmembers of the container ship, the ACX Crystal.

A track of the container ship's route by MarineTraffic, a vessel-tracking service, shows it made a sudden turn as if trying to avoid something at about 1:30 a.m., before continuing eastward. It then made a U-turn and returned around 2:30 a.m. to the area near the collision.

"That (1:30 a.m. crash time) is not our understanding," Flanders told The Associated Press. He said any differences would have to be clarified in the investigation.

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5:27 p.m.

Japan's coast guard is investigating why it took nearly an hour for a deadly collision between a U.S. Navy destroyer and a container ship to be reported.

A coast guard official said Monday they are trying to find out what the crew of the Philippine-flagged ACX Crystal was doing before reporting the collision to authorities 50 minutes later.

The coast guard initially said the collision occurred at 2:20 a.m., as the Philippine ship had reported it at 2:25 a.m. and said it just happened. After interviewing Filipino crewmembers, the coast guard has changed the collision time to 1:30 a.m.

The ACX Crystal collided with the USS Fitzgerald off Japan's coast early Saturday morning, killing seven of the destroyer's crew of nearly 300.